单词 | saponified |
例句 | It wasn't until years later, when the victim's skull was examined, that researchers discovered the brain remains were vitrified, rather than saponified. Pompeii shocker: Vitrified brains from volcano victim discovered 2020-01-22T05:00:00Z It is saponified by alkalies, with reproduction of soluble gum. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z The tallow and grease are first saponified as usual, then the cocoanut oil is pumped and saponified. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Chlorophyll b is dark green, is somewhat less soluble than the other form, and when saponified by potash gives a transient brilliant red. The Chemistry of Plant Life Margaric Acid is best obtained pure by boiling olive oil with an alkali until it is saponified, and decomposing the soap with an acid, expressing the margaric acid, which separates, and crystallising it from alcohol. Elements of Agricultural Chemistry The normal acetate gives solutions of high viscosity, films of considerable tenacity, and when those are saponified the cellulose is regenerated as an unbroken film. Researches on Cellulose 1895-1900 The fat is saponified, grained and boiled on strength, as previously described. The Handbook of Soap Manufacture The upper layer is partly saponified fat; the lower layer, or spent lye, is a solution of salt, glycerine, and contains any albuminous matter or any other impurity contained in the fat. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. When tallow is saponified there is formed, from the palmitin, stearin, and olein contained, with the cauticizing agent—in this case, lime—a soap. Great Sea Stories It is a white solid oil, fusible at a temperature of 97 degrees, and makes excellent candles, especially when saponified and distilled in the manner now adopted with palm oil, &c. The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. Savon," the doctor began didactically, "is a preparation of fatty acids saponified with alkali. Punch, or the London Charivari, Volume 152, April 18, 1917 The tallow is thoroughly saponified first, and the graining is performed by the aid of caustic soda lye in preference to salt. The Handbook of Soap Manufacture Strong lyes are now added and the fat entirely saponified, which is termed the strengthening change. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The fatty acids set free were saponified by carbonate of potassium. Scientific American Supplement, No. 497, July 11, 1885 This also gives a sulphur reaction when saponified, while it resembles castor oil by its solubility in alcohol. Scientific American Supplement, No. 392, July 7, 1883 Upon shaking the resin acids are rapidly saponified and extracted by the dilute alkaline solution as rosin soaps, while the ethyl esters remain in solution in the gasoline. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The oil is now dried with anhydrous sodium sulphate, filtered, and 1-2 grammes weighed into a flask and saponified with alcoholic potash as in the determination of ester or saponification value. The Handbook of Soap Manufacture The spent lye obtained from the glycerine changes in making soap varies greatly, the quality depending upon the stock saponified and the soap maker's care in handling the operation. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The original wool oil was saponified by boiling with alcoholic potash. Scientific American Supplement, No. 497, July 11, 1885 Far the purpose of determining the melting point of the fatty acids, 10 grammes of oil were saponified with 5 grammes of caustic potash on the water bath; some water and alcohol being added. Scientific American Supplement, No. 392, July 7, 1883 It is rarely adulterated and is very readily saponified. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The intermediate layer is difficult to treat satisfactorily; it is generally washed twice with water, the washings being added to glycerine water, and the fatty mixture saponified and the resultant soap utilised. The Handbook of Soap Manufacture To rapidly determine whether the color easily washes out of the tallow with lye, 100 cubic centimeters of tallow are saponified in an enameled or iron dish with 100 cubic centimeters of 21 degs. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Where large quantities of the oil are saponified care must be exercised as the soap formed suddenly rises or puffs up and may boil over. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The red oil, sometimes called saponified red oil, is often semi-solid, resembling a soft tallow, due to the presence of stearic acid. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. B. lye, or previously saponified as a run soap, as already described under "Marine Soaps." Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Fatty acids are readily saponified with caustic soda or caustic potash of all strengths. The Handbook of Soap Manufacture The mixture now consists of a partly saponified layer of fat above the spent lyes. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Transparent soap made under the second method may be saponified as usual and consist of any good toilet base. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. As has been stated, rosin may be saponified by the use of alkaline carbonates. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. A good procedure is to use open steam for a period of about two hours, then close the valve and allow the saponification to continue without boiling, and repeat this until it is entirely saponified. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. This is saponified, and when the saponification is complete, "boiling-on-strength" is proceeded with. The Handbook of Soap Manufacture Upon boiling in an alcoholic solution the fat will be saponified, thus introducing an error in the analysis. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. To carry out the process the previously heated oil or fat to be saponified is run into a lead lined tank. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The "saponification equivalent" is the amount of fat or oil in grammes saponified by 1 equivalent or 56.1 grammes of caustic potash. The Handbook of Soap Manufacture The alcohols are estimated by conversion into their acetic esters, which are then saponified with standard alcoholic potash, thereby furnishing a measure of the amount of alcohol esterified. The Handbook of Soap Manufacture The pan is opened with caustic soda lye and saturation of the rosin takes place rapidly; when completely saponified it is grained with salt, and the coloured lye allowed to deposit and finally withdrawn. The Handbook of Soap Manufacture The red oil and tallow are first saponified with 15 degs. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. This is then saponified with a known volume of standard alkali, the excess of which is titrated with acid, and the percentage of glycerol calculated from the amount of alkali absorbed. The Handbook of Soap Manufacture |
随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。