| 单词 | oxalate |
| 例句 | Keeping diets low in oxalate is important for a sizable segment of our population. Behind the Famed Tartine Bakery, a Gluten-Free Talent 2016-11-08T05:00:00Z With many fruits and vegetables high in oxalates, I’m so grateful there are many tasty ones that fall into the low-oxalate category! Learn how to make Cindy Bomka’s cherry cobbler recipe from “Low-Oxalate Anti-Inflammatory Coo... 2018-12-08T05:00:00Z They are quite high in oxalates and may promote kidney-stone formation in susceptible individuals. Do beets raise the risk of kidney stones? 2015-01-30T05:00:00Z Keeping diets low in oxalate is important for a sizable segment of our population.... Behind the Famed Tartine Bakery, a Gluten-Free Talent 2016-11-08T05:00:00Z Because of the oxalates in tomatoes, I eat them sparingly. Tomato Soup 2018-12-01T05:00:00Z The method takes advantage of arid-adapted plants that produce oxalates -- ions containing carbon and oxygen that might ring a bell if you're unlucky enough to suffer from kidney stones or gout. We could sequester CO2 by 're-greening' arid lands, plant scientists say 2023-09-21T04:00:00Z Chewing a portion of its stem can render someone temporarily but painfully speechless, as the calcium oxalate crystals in it can cause throat and mouth swelling. Keep small kids away from these houseplants (to avoid a trip to the hospital) 2023-02-02T05:00:00Z Potassium oxalate, K2C2O4, is used as an anticoagulant when a blood sample is drawn for laboratory tests because it removes the calcium as a precipitate of CaC2O4·H2O. Chemistry 2019-02-14T00:00:00Z Novome Biotechnologies, for example, has endowed a seaweed-digesting bacterium with the ability to degrade dietary oxalate, a compound that can lead to kidney stones. Your gut harbors genes stolen from sea life 2022-03-01T05:00:00Z In their recent research, summarized in Nature Reviews Urology, the researchers primarily used GeoBioCell to study growing calcium oxalate crystals, which account for about 70 percent of kidney stones. New Tool Shows Geology behind Kidney Stone Crystallization 2021-09-01T04:00:00Z Some soil microbes use oxalates as their sole carbon source, and in doing so, they excrete carbonate molecules into the soil. We could sequester CO2 by 're-greening' arid lands, plant scientists say 2023-09-21T04:00:00Z One 65-year-old woman had been drinking a green smoothie juice cleanse rich in oxalates. Does Listerine help control adult acne? 2020-11-25T05:00:00Z She and her colleagues are exploring whether adding compounds called oxalates will speed this process further by weakening chemical bonds in the tailings. Industrial waste can turn planet-warming carbon dioxide into stone 2020-09-03T04:00:00Z If the chestnut could produce its own oxalate oxidase, a specialized protein that breaks down oxalic acid, it might be able to defend itself, Powell realized. Can Genetic Engineering Bring Back the American Chestnut? 2020-04-30T04:00:00Z In this condition, the liver generates excessive levels of a compound called oxalate, which accumulates in the kidneys and can lead to organ failure. Pharma’s roller-coaster relationship with RNA therapies 2019-10-15T04:00:00Z Some of the carbon from these oxalates is deposited below-ground as carbon deposits when oxalogenic plants are grown under certain conditions, and it's this mechanism that the authors want to exploit for carbon sequestration. We could sequester CO2 by 're-greening' arid lands, plant scientists say 2023-09-21T04:00:00Z Does juicing really increase the amount of oxalates you are getting? Does Listerine help control adult acne? 2020-11-25T05:00:00Z One of Longleat's koalas, a female called Wilpena, died earlier this year as a result of the kidney disease oxalate nephrosis. Longleat koalas aid disease research breakthrough 2019-10-14T04:00:00Z Many plants, it turns out, have a gene that allows them to produce oxalate oxidase. Can Genetic Engineering Bring Back the American Chestnut? 2020-04-30T04:00:00Z High urine oxalate levels aren’t always due to how much calcium you eat, but rather how much sodium you ingest. Doctors say summer is kidney stone season. Here’s why. 2019-06-21T04:00:00Z More than 90 percent of stones contain calcium, usually in the form of calcium oxalate, calcium phosphate or hydroxyapatite. What Foods Should I Avoid to Prevent Kidney Stones? 2018-09-14T04:00:00Z A: Juicing with dark green leafy vegetables could lead to an overdose of oxalates. Does Listerine help control adult acne? 2020-11-25T05:00:00Z Eventually, they inserted into the tree's genome a wheat gene that codes for an enzyme called oxalate oxidase, or OxO. To save iconic American chestnut, researchers plan introduction of genetically engineered tree into the wild 2018-08-29T04:00:00Z They fed bees pollen laced with oxalate oxidase. Can Genetic Engineering Bring Back the American Chestnut? 2020-04-30T04:00:00Z Most stones are a combination of calcium and either oxalate or phosphorous. Doctors say summer is kidney stone season. Here’s why. 2019-06-21T04:00:00Z And they’re coated in a chemical layer of calcium oxalate, the stuff humans find in kidney stones. Stick Insects Are Easy Bird Food, and That Might Help Them Reproduce 2018-06-05T04:00:00Z When the scientists, who work with Moore’s group, transplanted woodrat faeces into lab rats, the lab rats gained the ability to degrade oxalate. Faecal transplants could help preserve vulnerable species 2018-06-10T04:00:00Z They are also surprisingly hard-shelled, with a coating, unique among insects, made of calcium oxalate—a substance that dissolves only under acidic conditions such as, for instance, in a digestive tract. Why Stick Insects Might Be Into Birds Eating Their Kids 2018-06-02T04:00:00Z Dicerna Pharmaceuticals, meanwhile, is preparing to enter the clinic with an RNAi drug that treats primary hyperoxaluria—a rare genetic disease that causes the overproduction and buildup of substances called oxalates in the urine. Experimental Drug That Mutes Defective Genes Raises New Hopes 2017-10-05T04:00:00Z They cleaned away centuries of accumulated surface compounds such as calcium oxalate, which contaminate test results, and then carbon-dated the sample. Dreams of the Stone Age dated for first time in southern Africa 2017-05-02T04:00:00Z According to the National Institutes of Health, primary hyperoxaluria is the result of overproduction of a substance called oxalate, which usually is filtered through the kidneys and excreted as a waste product in urine. EXCHANGE: Johnsburg graduate to donate kidney to child 2017-01-29T05:00:00Z People with a history of calcium oxalate stones often are cautioned to avoid oxalate-rich foods. How to prevent kidney stones 2016-12-18T05:00:00Z The investigators found that hydroxycitrate did a better job of slowing the growth of calcium oxalate crystals. Diet Supplement May Help Prevent Kidney Stones: Study 2016-08-08T04:00:00Z The company’s therapeutic aims to turn off the enzyme that creates all the excess oxalate. Experimental Drug That Mutes Defective Genes Raises New Hopes 2017-10-05T04:00:00Z Someone had inserted into a tomato plant a gene that produces oxalate oxidase, or OxO, an enzyme that breaks down oxalic acid. A Radical Attempt to Save the Reefs and Forests 2016-04-18T04:00:00Z "The oxalate in food binds to calcium, and you excrete it," Loftus said. Calcium Supplements Tied to Kidney Stone Risk in Study 2015-10-13T04:00:00Z You also may need to cut down on foods that are rich in oxalate. How to prevent kidney stones 2016-12-18T05:00:00Z At issue: the calcium oxalate crystals that are the most common component of kidney stones, mineral deposits that form inside the kidneys. Diet Supplement May Help Prevent Kidney Stones: Study 2016-08-08T04:00:00Z “Like obesity or diabetes, there are multiple genes involved, and oftentimes, people inherit the inability to efficiently absorb oxalate from their parents,” says Dr. Gupta. 15 Weird Risk Factors for Kidney Stones 2015-07-26T04:00:00Z In the United States, the average intake of oxalate per day ranges from about 150 to 500 milligrams, the researchers wrote. Man's Iced Tea Habit May Have Swamped His Kidneys 2015-04-01T04:00:00Z Many foods contain at least a small amount of the compound oxalate, for example. Calcium Supplements Tied to Kidney Stone Risk in Study 2015-10-13T04:00:00Z When that happens, the calcium and oxalate form crystals. How to prevent kidney stones 2016-12-18T05:00:00Z The guidelines also recommended changes in eating habits, including less red meat and foods high in dietary oxalate, such as chocolate, nuts, beets and leafy greens, CBS News reported. Health Highlights: Nov. 4, 2014 2014-11-04T05:00:00Z Or maybe they will get a special formula, let’s say with some cells of Oxalobacter and oxalate, the nutrient that this microbe loves but that we can’t digest. Antibiotics Overload Is Endangering Our Children 2014-05-09T04:01:50Z If a normal, healthy adult was taking in about 500 milligrams a day of oxalates, the kidneys should be able to clear that amount easily, Malchira added. Man's Iced Tea Habit May Have Swamped His Kidneys 2015-04-01T04:00:00Z He and his team therefore transferred the gene that encodes oxalate oxidase from wheat to chestnut. Genetically modified trees: Into the wildwood 2013-05-02T15:05:57Z A key for preventing growth of calcium oxalate stones is to get the right amount of calcium. How to prevent kidney stones 2016-12-18T05:00:00Z Because most kidney stones are made of calcium oxalate, it might seem counterintuitive to consume more calcium and end up with less in your kidneys, but there is theory about why it works, Frassetto said. Non-dairy calcium seen to lower kidney stone risk 2013-04-05T18:24:32Z This is because spinach is exceedingly high in natural compounds called phytates and oxalates, both of which block iron absorption. Boosting the Iron in Your Toddler's Diet 2013-01-08T18:27:00Z After conducting a kidney biopsy on a 56-year-old man with unexplained kidney failure, doctors discovered numerous oxalate crystals in his kidney tissue. Man's Iced Tea Habit May Have Swamped His Kidneys 2015-04-01T04:00:00Z The troughs held traces of oxalates, which are produced during the fermentation of grain into alcohol. Discovery of ancient breweries offers clues of primitive lifestyle 2013-01-07T21:02:31Z Unfortunately, oxalate content is not listed on food labels. How to prevent kidney stones 2016-12-18T05:00:00Z That is where the team was shocked to find a compound called cadmium oxalate as the cause of the grey-orange pallor. X-rays spot Van Gogh work dulling 2012-09-15T07:15:35Z A salt having two equivalents of oxalic acid to one of the base; an acid oxalate. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z Black tea is a significant source of oxalate, and the man acknowledged drinking 16 glasses of iced tea every day. Man's Iced Tea Habit May Have Swamped His Kidneys 2015-04-01T04:00:00Z Dec. 28th, specific gravity of urine 1019; urine still quite albuminous, and containing blood-corpuscles and granular casts, also crystals of oxalate of lime. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The highest amounts of oxalate are found in certain fruits, vegetables and other plant foods, such as nuts. How to prevent kidney stones 2016-12-18T05:00:00Z Such galls abound in tannin, and are frequently of use in the arts on this account: they also contain starch, and proteid substances and crystals of calcium oxalate. Disease in Plants 2012-03-01T03:00:22Z Apparently calcium oxalate passes through the intestine unchanged in both species of Peromyscus, for their urine is clear and yellowish. Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado 2012-02-24T03:00:32.243Z The researchers said that kidney problems caused by high oxalate levels may be an under-recognized reason for kidney failure. Man's Iced Tea Habit May Have Swamped His Kidneys 2015-04-01T04:00:00Z It is more in use now, but I do not consider it equal to oxalate of iron. The Evolution of Photography With a Chronological Record of Discoveries, Inventions, etc., Contributions to Photographic Literature, and Personal Reminescences Extending over Forty Years 2012-02-15T03:00:30.577Z Meats, eggs, dairy products, white rice and pasta are generally low in oxalate. How to prevent kidney stones 2016-12-18T05:00:00Z It dissolves readily in water and the aqueous solution decomposes on standing; a dark-brown flocculent precipitate of azulmic acid, C4H5N5O, separating whilst ammonium oxalate, urea and hydrocyanic acid are found in the solution. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z Calcium oxalate is a highly insoluble compound and is innocuous if it passes through the gastro-intestinal tract without being absorbed. Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado 2012-02-24T03:00:32.243Z The man with the failing kidneys was drinking more than 1,500 mg of oxalates a day, they estimated. Man's Iced Tea Habit May Have Swamped His Kidneys 2015-04-01T04:00:00Z The microscope showed it to be free from oxalate of lime or other raphides. The Fijians A Study of the Decay of Custom 2011-12-30T03:00:25.917Z One of the best-known anatomical characteristics of the genus is the occurrence of numerous spindle-shaped or branched fibres with enormously-thickened walls studded with crystals of calcium oxalate. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z The large proportions of phosphorus in the form of phosphates and of nitrogen as ammonium oxalate and urate renders it a valuable fertilizer. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z In rats of the genus Neotoma, some calcium oxalate passes through the intestines unchanged, but large amounts of calcium are absorbed through the intestine. Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado 2012-02-24T03:00:32.243Z "The most common type of kidney stones are calcium oxalates," she said. Man's Iced Tea Habit May Have Swamped His Kidneys 2015-04-01T04:00:00Z Analyses of the oxalates of potash, published about the same time by Wollaston, afforded another illustration of the law of multiple proportions, and drew the attention of chemists to Dalton's theory. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Primed with a solution made by dissolving 10 parts of sodium oxalate in 100 parts of water. Paint Technology and Tests 2011-09-15T02:00:12.263Z The bark was formerly used in medicine; it contains much calcium oxalate, and yields on incineration 23% of ash. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z The author, in 1915, during a series of experiments on the relative germicidal action of hypochlorites, attempted to prepare the ammonium salt by double decomposition of bleach and ammonium oxalate solutions. Chlorination of Water 2011-09-13T02:00:32.243Z The air hosted many organic pollutants, including formaldehyde, acetate and oxalate. Germy With a Chance of Hail 2011-05-26T15:15:00Z The sodium and potassium salts, when heated to 400� C., give oxalates and carbonates of the 669 alkali metals, but the magnesium, calcium and barium salts yield carbonates only. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 "Foraminifera" to "Fox, Edward" 2011-04-22T02:00:08.637Z They are separated from the minerals by converting them into oxalates, which by ignition give the corresponding oxides. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z Determinations have been made with calcium oxalate, CaC2O4 + H2O, which is easily decomposed by acids, oxalic acid and a soluble calcium salt being formed. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z Other vegetables with calcium, like spinach, collards, kale and beans, contain oxalates that block calcium absorption. Personal Health: Long and Short of Calcium and Vitamin D 2011-01-24T20:13:05Z Citrate, in turn, is known to inhibit the formation of calcium oxalate stones, the most common form of kidney stone. Diet soda for preventing kidney stones? 2010-05-14T16:37:00Z “It’s likely the oxalate binds up some of the calcium and/or magnesium and reduces their availability,” she said. Q & A: Almonds for Calcium? 2010-03-08T20:11:00Z They are of inorganic matter, usually of oxalate or phosphate or sulphate of lime. The Elements of Botany For Beginners and For Schools The slight disturbance it manifested with chloride of barium, and the small precipitate with oxalate of ammonia, reveal sulphate of lime, without excluding the possibility of the chloride. The Eruption of Vesuvius in 1872 It occurs both as the free acid and as neutral, or acid, oxalates of calcium, potassium, and, perhaps, of magnesium and sodium. The Chemistry of Plant Life All of these organic acids are burned in the body to produce energy, with the possible exception of the oxalates, which seem to have little, if any, food value. Dietetics for Nurses Cerium dioxide, CeO2, is produced when cerium carbonate, nitrate, sulphate or oxalate is heated in air. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" The peroxide, Pr4O7, forms a dark brown powder, and is obtained by ignition of the oxalate or nitrate. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" Metallic cobalt may be obtained by reduction of the oxide or chloride in a current of hydrogen at a red heat, or by heating the oxalate, under a layer of powdered glass. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Solid crystals of insoluble calcium oxalate are often found in plant cells, and it has been shown that when so deposited the calcium cannot become again available for metabolic uses. The Chemistry of Plant Life With fused potash it forms potassium oxalate and acetate. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 "Cincinnatus" to "Cleruchy" She usually brought a fictitious message from the Professor, who, having entrapped the young man into his study, proceeded to bore him to death with oxalates and chlorides and sulphuric acids. Stories by American Authors, Volume 10 Carbon dioxide, recognized by turning lime-water milky, indicates decomposable carbonates or oxalates. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" By heating a mixture of cobalt oxalate and sal-ammoniac in air, it is obtained in the form of minute hard octahedra, which are not magnetic, and are only soluble in concentrated sulphuric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The antidote is magnesia, between which and the acid a chemical action takes place, producing the oxalate of magnesia, which is inert. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) A less common constituent of urinary calculi is the insoluble oxalate of lime. Special Report on Diseases of Cattle Its principle is that a solution of ferrous oxalate in neutral potassium oxalate is effective as a developer. Crayon Portraiture Complete Instructions for Making Crayon Portraits on Crayon Paper and on Platinum, Silver and Bromide Enlargements The solution free from barium is treated with ammonia and ammonium sulphate, which precipitates strontium, and the calcium in the solution may be identified by the white precipitate with ammonium oxalate. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The oxalate of lime, or mulberry calculus, is generally of a very dark brown colour, approaching to black. North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 This will dissolve both oxide and chalk; but if a few drops of a solution of oxalic acid be now poured in, a very abundant white precipitate of oxalate of lime will take place. The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches, Adapted to the Use of Private Families Their specific gravity may be 3.441, and they contain oxalate of lime to the extent of 81 per cent, together with carbonates of lime and magnesia and organic matter. Special Report on Diseases of Cattle A paper is coated with a solution of ferric oxalate and platinum salts and then exposed behind a negative. Crayon Portraiture Complete Instructions for Making Crayon Portraits on Crayon Paper and on Platinum, Silver and Bromide Enlargements The solution becomes muddy if oxalate of ammonia be added and deposits a copious white precipitate. The Glow-Worm and Other Beetles The relative prevalency of the oxalate of lime calculus is very various. North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 The protoplasm of these cells contains granules, pigment, oil globules, and sometimes crystals of calcium oxalate. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Apart from the rough crystalline surfaces of the calculi of oxalate of lime and ammonio-magnesium phosphate, the general tendency is to a smooth, round outline. Special Report on Diseases of Cattle In organic chemistry he published papers on the decomposition of ammonium oxalate, with formation of oxamic acid, on amyl alcohol, on the cyanides, and on the difference in constitution between nitric and sulphuric ether. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" This, he considered, had the effect of gradually rendering the insoluble calcium phosphate soluble, and giving rise to the formation of ammonium phosphate and calcium oxalate. Manures and the principles of manuring In the Bristol collection, one-sixth of the whole, was composed of oxalate of lime, nearly pure; while, including all the concretions containing more or less of the oxalate, the proportion was nearly one-half! North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 It also produces an unusual amount of uric acid crystals and oxalates, due to the modified tissue changes produced by the alcohol. Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say These are characterized by their extremely rough, angular surface, formed by the octahedral crystals of oxalate of lime. Special Report on Diseases of Cattle Uses.—The part of the plant used in medicine is the leaf which is acid by virtue of the potassium oxalate which it contains. The Medicinal Plants of the Philippines Note:—The potassium oxalate and the formalin must both be neutral to phenolphthalein. The Starvation Treatment of Diabetes Invariably there is among these a formula for ferrous oxalate developer. Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements To clear the lines, or to make additions, or to write on the blue margin of the proof a solution of potassium oxalate is employed. Photographic Reproduction Processes If this oxalic acid comes into contact with lime, it is instantly precipitated as crystals of oxalate of lime. Special Report on Diseases of Cattle Mistaking the properties of the plant it is given for vesical calculus which, if composed of oxalates, would be increased instead of diminished by the treatment. The Medicinal Plants of the Philippines To 25 c.c. of urine add 5 c.c. of a saturated solution of potassium oxalate and 2 to 3 drops of phenolphthalein. The Starvation Treatment of Diabetes An excess of oxalate of lime in the urine may, however, claim a different origin. Special Report on Diseases of the Horse This defect may result from various causes, viz.: 1st. The stock ferric oxalate solution is impaired by a partial reduction of the ferric salt into ferrous oxalate. Photographic Reproduction Processes A variety of metallic salts may be used for this purpose, those of antimony, tin, iron, lead, etc., the substances most commonly used being tartar emetic, antimony fluoride, oxalate of antimony, tin crystals and copperas. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student In fact the salt of sorrel in the leaves contains a large quantity of oxalic acid mixed with potassium oxalate. The Medicinal Plants of the Philippines Or oxalate of protoxide of iron, has very unadvisedly been recommended as a pigment. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists They have been otherwise named according to their most abundant chemical constituent, carbonate of lime, oxalate of lime, and phosphate of lime calculi. Special Report on Diseases of the Horse We call specially the attention of the reader to the process of Poitevin, by which one can experiment with every ferric salts, citrate, lactate, oxalate, tartrate, benzoate, etc., by simply exciting with the corresponding acid. Photographic Reproduction Processes Of the medicines prescribed for "morning sickness" and the nausea of pregnancy, cerium oxalate taken three times a day in doses of five grains each, is probably one of the best. The Mother and Her Child Dr. Hicks Bunting found, in an analysis of the drug, 60 per cent. of insoluble residue, wax, “caucho,” resin, tannin, sugar, albuminoids, oxalate of calcium and other salts. The Medicinal Plants of the Philippines The chief ingredients, then, of guano, are, Ammonia, in various forms and combinations; Phosphate and oxalate of lime and magnesia; Salts of potash and soda; Animal organic matter; Sand and moisture. Guano A Treatise of Practical Information for Farmers Calculi containing oxalate of lime, on the other hand, have a rough, open, crystalline surface, which has gained for them the name of mulberry calculi, from a supposed resemblance to that fruit. Special Report on Diseases of the Horse When all the non-decomposed oxalate is washed from the proof, a feeble image of oxalate of protoxide of iron, scarcely visible, is left on the paper. Photographic Reproduction Processes One of the reasons for adding the oxalate of ammonia, is to precipitate out any lime which may be in the water in such a form that it will not react with the dye-stuff. The Dyeing of Woollen Fabrics Calcium is generally estimated by precipitation as oxalate which, after drying, is heated and weighed as carbonate or oxide, according to the degree and duration of the heating. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" The sour taste of the stalks is due to oxalic acid, or rather to the acid oxalate of potash. Herbal Simples Approved for Modern Uses of Cure Some have a deep brown, rough, crystalline surface of oxalate of lime, while others have a smooth, pearly white aspect from carbonate of lime. Special Report on Diseases of the Horse For use, the crystals of ammonio-ferric oxalate are dissolved in the proportion of 1 for 5 of distilled water. Photographic Reproduction Processes Glauber's salt, 5�lb. oxalate of ammonia, 5�lb. acetic acid and 6�lb. The Dyeing of Woollen Fabrics Sulphuric acid gives a white precipitate of calcium sulphate with strong solutions; ammonium oxalate gives calcium oxalate, practically insoluble in water and dilute acetic acid, but readily soluble in nitric or hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" The leaves are sharply acid through oxalate of potash, commonly called "Salts of Lemon," which is quite a misleading name in its apparent innocence as applied to so strong a poison. Herbal Simples Approved for Modern Uses of Cure A smaller calculus, which has been called coralline, is also cylindroid, with a number of brown, rough, crystalline oxalate of lime branches and whitish depressions of carbonate. Special Report on Diseases of the Horse The former reaction indicates that it contains no ferrous salt, and the latter no basic oxalate. Photographic Reproduction Processes Add about twenty drops of a solution of oxalate of ammonia, to half a wine-glass of the water; if a white precipitate ensues, we conclude that the water contains lime. A Treatise on Adulterations of Food, and Culinary Poisons Exhibiting the Fraudulent Sophistications of Bread, Beer, Wine, Spiritous Liquors, Tea, Coffee, Cream, Confectionery, Vinegar, Mustard, Pepper, Cheese, Olive Oil, Pickles, and Other Articles Employed in Domestic Economy Not alkalies, as the oxalates of the alkalies are soluble and poisonous. Aids to Forensic Medicine and Toxicology On which account each of this vegetable triad is ill suited for gouty constitutions disposed to the formation of irritating oxalate of lime in the blood. Herbal Simples Approved for Modern Uses of Cure These are smoother, but on the surface crystals of oxalate of lime may be detected with a lens. Special Report on Diseases of the Horse The orange color indicates the complete reduction of the ferric oxalate. Photographic Reproduction Processes The solution in sulphuric acid, when largely diluted, ought not to afford any precipitation by the addition of oxalate of ammonia. A Treatise on Adulterations of Food, and Culinary Poisons Exhibiting the Fraudulent Sophistications of Bread, Beer, Wine, Spiritous Liquors, Tea, Coffee, Cream, Confectionery, Vinegar, Mustard, Pepper, Cheese, Olive Oil, Pickles, and Other Articles Employed in Domestic Economy They comprise prussic acid, dilute solution of oxalic acid and oxalates, aconite, digitalis, strophanthus, convallaria, and tobacco. Aids to Forensic Medicine and Toxicology Chemically this Love Apple contains citric and malic acids: and it further possesses oxalic acid, or oxalate of potash, in common with the Sorrel of our fields, and the Rhubarb of our kitchen gardens. Herbal Simples Approved for Modern Uses of Cure Some renal calculi are formed of more distinct layers, more loosely adherent to one another, and contain an excess of mucus, but no oxalate of lime. Special Report on Diseases of the Horse The developer consists of an almost saturated solution of potassium oxalate acidified by oxalic acid, and for use heated to 80—85 deg. Photographic Reproduction Processes It forms a family of salts—the oxalates. A Text-book of Assaying: For the Use of Those Connected with Mines. This oxalic acid is supposed to combine with the lime in the blood of the gouty person, and to form crystals of oxalate of lime, which are eliminated by the kidneys. Food Remedies Facts About Foods And Their Medicinal Uses This is due to the acid oxalate of potash which it contains abundantly, in common with the Dock Sorrel, and the Garden Rhubarb. Herbal Simples Approved for Modern Uses of Cure These contain about 87 per cent carbonate of lime, the remainder being carbonate of magnesia, oxalate of lime, and organic matter. Special Report on Diseases of the Horse When the proof is thought to be over-exposed, the oxalate solution can be employed at a lower temperature. Photographic Reproduction Processes Lime.—To the reserved filtrate, concentrated by evaporation, add ammonium oxalate and ammonia; boil, filter, ignite strongly, and weigh as lime. A Text-book of Assaying: For the Use of Those Connected with Mines. Calcium Salts.—The solution should not give a precipitate with ammonium oxalate solution. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Result: oxalate of lime, forming calculus, or ‘stone,’ which you don't want, and tissues depleted of lime which you do want.” The Healthy Life, Vol. V, Nos. 24-28 The Independent Health Magazine Within the sheath the concretion may be a soft, cheesy-like sebaceous matter, or a genuine calculus of carbonate, oxalate, phosphate and sulphate of lime, carbonate of magnesia, and organic matter. Special Report on Diseases of the Horse In these new processes to the sensitizing solution is added the alkaline oxalate, which effects the reduction of the platinous salt during the exposure to light. Photographic Reproduction Processes On treating with oxalic acid, cerium, lanthanum, and didymium are precipitated as oxalates, which on ignition are converted into oxides. A Text-book of Assaying: For the Use of Those Connected with Mines. Then add ammonia and ammonium oxalate, when lime alone is precipitated as the oxalate of lime. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Sometimes the pain is due to uric acid or oxalates in the urine. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada The ferric oxalate is removed by the acid baths which follow the development. Scientific American Supplement, No. 711, August 17, 1889 Any one of the double oxalates can be used. Photographic Reproduction Processes It is distinguished by the insolubility of its hydrate in potash, by the insolubility of its oxalate in oxalic acid, and by not being precipitated by hyposulphite of soda or potassium sulphate. A Text-book of Assaying: For the Use of Those Connected with Mines. Lime A white precipitate with oxalate of ammonium. Scientific American Supplement, No. 561, October 2, 1886 When the condition is annoying the following powder will give much relief: powder Ingluvin, oxalate of cerium, of each five grains. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada Saponin likewise acts as a solvent upon barium45 sulphate and calcium46 oxalate, and as a solvent of insoluble or slightly soluble salts would assist the plant in obtaining food, otherwise difficult of access. Scientific American Supplement, No. 623, December 10, 1887 F. Mercuric chloride solution, 5:100 20 parts Sodium oxalate solution, 3:100 40 parts Gum arabic in powder 24 parts Glycerine 2 parts Dissolve as said above. Photographic Reproduction Processes The separation of lanthanum and didymium in the solution from which the cerium has been precipitated is effected by precipitating them together as oxalates, igniting, and dissolving in dilute nitric acid. A Text-book of Assaying: For the Use of Those Connected with Mines. Evaporate to dryness, dissolve in water, and precipitate with oxalate of ammonia. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations The crystals were all found to be calcium oxalate. Scientific American Supplement, No. 829, November 21, 1891 Lead.—Lead is precipitated either as PbO2 at the anode from a nitric acid solution or as metal at the cathode from an ammonium oxalate solution. Scientific American Supplement, No. 810, July 11, 1891 If it does not contain any ferrous oxalate it can be used by adding to it a little of the iron chlorate solution. 2d. Photographic Reproduction Processes The solution is rendered ammoniacal with ammonia; and treated, first with sulphuretted hydrogen, and then with ammonium oxalate. A Text-book of Assaying: For the Use of Those Connected with Mines. With carbonate of soda, oxalate of potash yields a metallic bead, the fused alkali laid upon silver and moistened produces a stain similar to that produced by sulfur. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations These experiments show conclusively that the acridity of the Indian turnip and calla is due to the raphides of calcium oxalate only. Scientific American Supplement, No. 829, November 21, 1891 Of the above two methods, that in which an ammonium oxalate solution is used is the more delicate, although it cannot be employed quantitatively, owing to the oxidation of the metal that takes place. Scientific American Supplement, No. 810, July 11, 1891 A weak solution of nitrate of silver also yields very fine pictures, but the exposure should be very short, and the proofs must be fixed in water containing a small quantity of oxalate of ammonia. Photographic Reproduction Processes The filtrate from this is heated to boiling, treated with a solution of ammonium oxalate in excess, boiled for five or ten minutes, allowed to settle for half an hour, and filtered. A Text-book of Assaying: For the Use of Those Connected with Mines. When dry, the salt thus obtained is pulverized in an agate mortar, and mixed with about three times its volume of oxalate of potassa, and a little charcoal powder. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations Chief Proof Solution.—If old oxalate developer be exposed in a shallow vessel in a warm place, a deposit of light green crystals will be formed, composed of an impure oxalate of iron. Scientific American Supplement, No. 483, April 4, 1885 An addition of 1 grm. of ammonium oxalate to the suspected solution is sufficient. Scientific American Supplement, No. 810, July 11, 1891 To the filtrate is then added a solution of oxalate of ammonia until a white precipitate of oxalate of lime is formed. Scientific American Supplement, No. 821, September 26, 1891 It is dissolved, and the solution heated with ammonium oxalate in excess. A Text-book of Assaying: For the Use of Those Connected with Mines. Compounds of mercury can be most completely reduced by a mixture of neutral oxalate of potassa and cyanide of potassium. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations The instrument is then removed to the dark room, and the plates developed by immersing them all at once in a solution consisting of four parts potassium oxalate and one part ferrous sulphate. Scientific American Supplement, No. 520, December 19, 1885 It should be noted, however, that very few of these organic compounds react quantitatively with the permanganate, as is the case with oxalic acid and the oxalates. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes This precipitate is separated by filtering, washed, dried and when separated from the filter, is collected upon dark satinized paper; the filter itself is burned and the ash added to the oxalate of lime. Scientific American Supplement, No. 821, September 26, 1891 The precipitate is thorium oxalate, which is washed with hot water, dried, and ignited. A Text-book of Assaying: For the Use of Those Connected with Mines. Ferrous oxalate works quite well with plates of that kind; so do soda and potassa developers. Scientific American Supplement, No. 415, December 15, 1883 The following table gives the absolute sensitiveness of several of the best known kinds of American and foreign plates, when developed with oxalate, in terms of pure silver chloride taken as a standard. Scientific American Supplement, No. 520, December 19, 1885 The oxalic acid and the oxalates should be specially prepared to insure purity, the main difficulty lying in the preservation of the water of crystallization. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Any magnesia present in the filtrate of the oxalate of lime is by the addition of a solution of phosphate of soda separated as phosphate of ammonia and magnesia, after having stood twenty-four hours. Scientific American Supplement, No. 821, September 26, 1891 It is also used in separations, many of the oxalates being insoluble. A Text-book of Assaying: For the Use of Those Connected with Mines. The picture appears quickly and more vigorously than with iron oxalate. Scientific American Supplement, No. 415, December 15, 1883 The needle-shaped crystals in all the plants selected for study were composed of calcium oxalate. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 It should be noted that the acid oxalate and the acid tartrate each contain one hydrogen atom replaceable by a base, while the tetroxalate contains three such atoms and the oxalic acid two. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes A further precipitation of oxalate of lime was produced by a solution of oxalic acid, but the brown organic substance remained in solution. Scientific American Supplement, No. 821, September 26, 1891 The precipitate contains all the lime as calcium oxalate. A Text-book of Assaying: For the Use of Those Connected with Mines. "Then you have no prejudices as to which is the best developer, pyrogallic acid or ferrous oxalate, not to mention such recent decoctions as eikonogen, quinol, and others?" One Day's Courtship The most common of these interior cell crystals are those composed of calcium oxalate and calcium carbonate. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 Those in most common use are iron wire, ferrous ammonium sulphate, sodium oxalate, oxalic acid, and some other derivatives of oxalic acid. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes This oxalate of lime is then heated to a dark red heat in a platinum crucible with lid until the oxalate of lime is converted into carbonate of lime. Scientific American Supplement, No. 821, September 26, 1891 To the filtrate add ammonic oxalate and ammonia, boil for some time, allow to stand, filter, wash, ignite, and weigh as "lime." A Text-book of Assaying: For the Use of Those Connected with Mines. When dry it is exposed and developed with the usual oxalate developer, to which a little bromide of potassium has been added. Scientific American Supplement, No. 401, September 8, 1883 The last traces of lime are eliminated by means of a few drops of ammonium oxalate. Scientific American Supplement, No. 362, December 9, 1882 With the exception of sodium oxalate, these all contain water of crystallization which may be lost on standing. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes When the ammonium oxalate is substituted by the potassium salt, the operation becomes more difficult, as a basic salt is formed at the opposite pole, and is not easily reduced. Scientific American Supplement, No. 299, September 24, 1881 Lime, &c.—The filtrate from the manganese sulphide is boiled, and without cooling, treated with ammonium oxalate in solution, which also should be heated to boiling. A Text-book of Assaying: For the Use of Those Connected with Mines. Making the ferrous oxalate solution from two saturated solutions of iron sulphate and potassium oxalate has not succeeded so well with me for transparencies. Scientific American Supplement, No. 288, July 9, 1881 He carried out the development in the same way as is done by the oxalate, and he found that the succinate of iron is even more energetic than the oxalate. Scientific American Supplement, No. 286, June 25, 1881 At present, sodium oxalate is considered to be one of the most satisfactory standards. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes As has been already mentioned in the determination of manganese as peroxide, its precipitation from ammonium oxalate is not complete. Scientific American Supplement, No. 299, September 24, 1881 The precipitate is dissolved in very little hydrochloric acid and reprecipitated by adding ammonium oxalate and ammonia to the boiling solution. A Text-book of Assaying: For the Use of Those Connected with Mines. Filter the solution in the preceding experiment, and to the filtrate add oxalate of ammonia. A Practical Physiology Two of them, however, viz. the oxalate and iodide of potash, slowly induced a slight and rather doubtful amount of inflection. Insectivorous Plants The standardization processes employed when iron or its compounds are selected as standards differ from those applicable in connection with oxalate standards. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes If potassium oxalate is added to a solution of the trichloride, the antimony may be readily reduced, but the metal adheres still less firmly to the electrode than it did in the first instance. Scientific American Supplement, No. 299, September 24, 1881 The method I employed was to take a little of the blood and add some oxalate of ammonium to it, then shake it up thoroughly with ether to free the hemoglobin from the corpuscles. The Ear in the Wall The result is a white precipitate of the oxalate of lime, showing there is lime present, but not as a phosphate. A Practical Physiology The oxalate, nitrate, and citrate seem to have a special tendency to cause the blade of the leaf to be inflected. Insectivorous Plants PROCEDURE.—Weigh out two portions of pure sodium oxalate of 0.25-0.3 gram each into beakers of about 600 cc. capacity. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes After the greater portion of the ammonium oxalate has been converted into carbonate, the coloration and necessarily the formation of manganese peroxide begins. Scientific American Supplement, No. 299, September 24, 1881 If acids, xanthines and oxalates of lime form earthy deposits along the walls of arteries and veins, these vessels harden and become inelastic, and their diameter is diminished. Nature Cure The solution becomes muddy if oxalate of ammonia be added; it then deposits a copious white precipitate. The Wonders of Instinct Chapters in the Psychology of Insects Professor Miller states that these crystals, when reduced to a fine powder, are soluble in hydrochloric acid, leaving some undissolved silex behind; the addition of oxalate of ammonia gives a copious precipitate of lime. Volcanic Islands Dilute each of the measured portions to 250 cc. with distilled water, heat the whole to boiling, and add ammonium oxalate solution slowly in moderate excess, stirring well. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Ammonium oxalate is added to the solution, and heat applied; then three or four grammes more of ammonium oxalate are dissolved in the liquid, which is then immediately submitted to electrolysis. Scientific American Supplement, No. 299, September 24, 1881 This produces no effect; but they are quickly dissolved with effervescence in acetic acid, and when oxalate of ammonia is added to the solution a white precipitate is thrown down. The formation of vegetable mould through the action of worms, with observations on their habits How much water must be added to a liter of the oxalate solution to make it exactly 0.025 N as a reducing agent? An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The normal value of the oxalate solution when used as an acid is 0.1315. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Boil for two minutes; allow the precipitated calcium oxalate to settle for a half-hour, and decant through a filter. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The electrolysis is best effected in the presence of a sufficient quantity of ammonium oxalate; no separation of any iron compound takes place. Scientific American Supplement, No. 299, September 24, 1881 Calculate the ratio of tetroxalate to oxalate used in making up the solution and the normal value of the solution as a reducing agent. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Find the ratio of the oxalate used in the NaOH standardization to the oxalate used in the permanganate standardization. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The calcium in a sample of dolomite weighing 0.9380 gram is precipitated as calcium oxalate and ignited to calcium oxide. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Redissolve the calcium oxalate in the beaker with warm hydrochloric acid, pouring the acid through the filter. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes When ammonium oxalate is used, the complete precipitation does not take place. Scientific American Supplement, No. 299, September 24, 1881 A sample of dolomite is analyzed for calcium by precipitating as the oxalate and igniting the precipitate. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Exactly the same sort of process takes place if calcium oxalate, for example, is dissolved in hydrochloric acid. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The electrolytic separation of cobalt is much more easily and rapidly effected when the potassium oxalate is substituted by the corresponding ammonium salt, as the latter forms a soluble double salt with the cobalt compounds. Scientific American Supplement, No. 299, September 24, 1881 Filter off the calcium oxalate upon the filter first used, and wash free from chlorides. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes In our experiments, an excess of ammonium oxalate was added to a nitric acid solution of bismuth. Scientific American Supplement, No. 299, September 24, 1881 In order to obviate this difficulty, the solution to which the ammonium oxalate had been added in excess is heated, and then three or four grammes more of solid ammonium oxalate are added. Scientific American Supplement, No. 299, September 24, 1881 The ammonium oxalate is added in excess to the solution, which is then heated, and four more grammes of the solid salt added. Scientific American Supplement, No. 299, September 24, 1881 If the tin is separated from an acid solution, the current must not be interrupted while the washing takes place, a precaution which it is not necessary to follow when the ammonium oxalate is used. Scientific American Supplement, No. 299, September 24, 1881 The precipitate of calcium oxalate may be converted into calcium oxide by ignition without previous drying. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes This result may be attained by adding sodium phosphate, or, better still, by the addition of ammonium oxalate in great excess. Scientific American Supplement, No. 299, September 24, 1881 Arsenic cannot be completely separated from either its aqueous hydrochloric acid, or from a solution to which ammonium oxalate has been added in excess. Scientific American Supplement, No. 299, September 24, 1881 Neutral potassium oxalate is added in excess to the solution of a cobalt salt, and the clear solution of cobalt potassium oxalate submitted to electrolysis. Scientific American Supplement, No. 299, September 24, 1881 The copper may be very easily and rapidly separated from the double ammonium oxalate salt, provided a sufficient excess of ammonium oxalate is present. Scientific American Supplement, No. 299, September 24, 1881 Calcium oxalate is nearly insoluble in water, and only very slightly soluble in acetic acid, but is readily dissolved by the strong mineral acids. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The electric current decomposes the potassium oxalate into the carbonate, so that a precipitate of cobalt carbonate is simultaneously formed with the separation of the metallic cobalt. Scientific American Supplement, No. 299, September 24, 1881 Tin may be easily estimated by electrolysis; it can be separated from its hydrochloric acid solution, or from its double salt with ammonium oxalate, as a beautiful silver gray coating on the platinum. Scientific American Supplement, No. 299, September 24, 1881 |
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