| 单词 | picric acid |
| 例句 | Recently, eosin has been used to colour red and picric acid for yellow, both well diluted with water. Practical Bookbinding 2012-04-02T02:00:23.047Z It was a huge and curiously-shaped air-ship, and was to be used for dropping great charges of m�linite and steel bombs filled with picric acid into the handsome historic city of Edinburgh! The Great War in England in 1897 2011-09-20T02:00:17.083Z The Vieille powder, invented in 1887 and adopted in France for a magazine rifle, consisted of gelatinized guncotton with a little picric acid. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z Cr�sylite is a French explosive, and contains picric acid and nitrated cresol. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z Manufacturers of picric acid and "French purple" have enjoyed the fruits of the labours of Dr. Stenhouse. The Scientific Basis of National Progress Including that of Morality 2010-12-30T03:00:25.567Z Still more successful were the efforts to remove from the market the surplus benzol, which is the raw product for the production of picric acid. My Three Years in America If damage to buildings, on the other hand, was desired, some high explosive such as picric acid would be used which would totally wreck any moderate-sized building upon which the shell might fall. Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons By a curious ordinance of fate, picric acid, one of the most deadly explosives known, also provides a medical dressing for the alleviation of the pain which in another form it may have caused. Submarine Warfare of To-day How the Submarine Menace was Met and Vanquished, With Descriptions of the Inventions and Devices Used, Fast Boats, Mystery Ships It has displaced picric acid owing to its superiority, physically and chemically, over that substance. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z Their arrests were the outcome of a police search for two Germans who secretly sought to purchase picric acid, a component of high explosives which had become scarce since the war began. The Story of the Great War, Volume V (of 8) Battle of Jutland Bank; Russian Offensive; Kut-El-Amara; East Africa; Verdun; The Great Somme Drive; United States and Belligerents; Summary of Two Years' War Gauze prepared with picric acid, if at hand, is a most satisfactory dressing. Scouting For Girls, Official Handbook of the Girl Scouts Treat with two lots picric acid, saturated aqueous solution. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. In recent years a one-per-cent. solution of picric acid has been commended for the slighter burns of limited extent. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine "Well, dynamite is made from cheese, you know," said the supercargo deferentially, "just cheese slightly impregnated with picric acid, gastrito-nepenthe, and cubes of oxalicogene." A Memory Of The Southern Seas 1904 Armies could be annihilated, granite and steel would be as tinder before a bomb or torpedo of picric acid dropped from the clouds. Lorraine A romance This was the best I could do at the moment, though, if the bomb was made with picric acid, I had accomplished nothing. The Car of Destiny Germany has been the source of supply in the past for picric acid. New York Times Current History; The European War, Vol 2, No. 5, August, 1915 "Maybe—but so is picric acid; so is nitroglycerin; and so is pure gold." Skylark Three Add ½ cc. of a dilute solution of picric acid—a heavy yellow precipitate indicates gelatine. Human Foods and Their Nutritive Value Some miscreant has piled up and touched off a few thousand tons of T.N.T. and picric acid up in the hills. The Skylark of Space It turns the skin bright yellow, and does the same with woollen clothes, from the formation of picric acid. Aids to Forensic Medicine and Toxicology Of these various materials the most difficult to secure are those used in the manufacture of picric acid. New York Times Current History; The European War, Vol 2, No. 5, August, 1915 An application which satisfactorily fulfils these requirements is picric acid. Manual of Surgery Volume First: General Surgery. Sixth Edition. We will take a cylinder glass full of picric acid in water, and of a yellow colour. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Faint trace of albumin to heat and picric acid: also to nitric acid. The Healthy Life, Vol. V, Nos. 24-28 The Independent Health Magazine Barberio's Test.—Mix a drop of the spermatic stain with a drop of a saturated solution of picric acid, when needle-shaped yellow rhombic crystals are formed. Aids to Forensic Medicine and Toxicology From the tar many products are derived such as aniline dyes, benzene, carbolic acid, picric acid, napthalene, pitch, anthracene, and saccharin. Artificial Light Its Influence upon Civilization Dental wax is another useful type of dressing; as is also picric acid solution. Manual of Surgery Volume First: General Surgery. Sixth Edition. We do not see a pure yellow, then, in picric acid, but yellow with a considerable amount of white. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association If this is treated with nitric and sulfuric acids we get from it picric acid, a yellow crystalline solid. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries I dug some picric acid out of the Captain's medicine chest and tied myself up a bit. Dan Merrithew You may put picric acid in the ink and the pen just as much as in any steel bomb," and again, "It is said that these incendiary articles are 'mere froth.' Indian Unrest The gowns of the orderlies were stained and bespattered with blood and yellow picric acid. Combed Out Indigo is such a dye, and so are Magenta, Aniline Black, Aniline Violet, picric acid, Ultramarine Blue, and so on. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Like picric acid, TNT stains the skin yellow and causes soreness and sometimes serious cases of poisoning among the employees, mostly girls, in the munition factories. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries The best authenticated composition for melenite consists of picric acid, gun cotton and gum arabic, and lately it is stated that the French have added cresilite to it. Scientific American Supplement, No. 794, March 21, 1891 Two picric acid bombs were thrown at His Excellency the Viceroy at Ahmedabad, and only failed to explode by reason of their faulty construction. Indian Unrest The shattered thigh was painted with picric acid and the tourniquet tightened above the injury. Combed Out He also casts picric acid into projectiles, the cast acid having a density of about 1.6. Nitro-Explosives: A Practical Treatise A solution of calcium picrate, that is, the lime salt of picric acid, is pumped in and as the reaction begins the mixture heats up and the chlorpicrin distils over with the steam. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries The waves of air followed one another with great violence, and the fumes of picric acid and of other acids that he did not know became very strong. The Hosts of the Air Observe, also, how, on wool, the pale lemon yellow of picric acid has changed to a full reddish brown. Scientific American Supplement, No. 810, July 11, 1891 The head was washed and shaved and then painted with picric acid. Combed Out The resinous mass thus produced is boiled with water, the resulting picric acid is converted into a sodium salt by a solution of sodium carbonate, which throws down sodium picrate in crystals. Nitro-Explosives: A Practical Treatise For instance, picric acid appears in three places in this book. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries A yellow solution of picric acid also allows the green to pass, but quenches all the more refrangible light. Six Lectures on Light Delivered In The United States In 1872-1873 If too late for alcohol to be of use, brush with water containing saturated solution of picric acid. The Boy Mechanic: Volume 1 700 Things for Boys to Do In the sacristy are collected gilt candelabra and other altar-furniture, turned yellow by the fumes of picric acid. Over There War Scenes on the Western Front Picric acid can be fired by a detonator, 5-grain fulminate, and M. Turpin patented the use of picric acid, unmixed with any other substance, in 1885. Nitro-Explosives: A Practical Treatise You may put picric acid in the ink and pen, just as much as in any steel bomb. Indian speeches (1907-1909) "We are making war against picric acid and electric wires!" The War Terror In order to recognize the different colors, the presence or absence of iron rust and picric acid must first be determined. Forty Centuries of Ink or, a chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink. Its purpose was to corner the immediate supplies of American phenol in order to prevent its manufacture into high explosives, including the well-known picric acid. The Riddle of the Rhine; chemical strategy in peace and war To obtain a total combustion of picric acid it is necessary to mix with it an oxidising agent, such as a nitrate, chlorate, &c. Nitro-Explosives: A Practical Treatise These salts are readily made by boiling picric acid with the carbonates of the respective metals and filtering: other soluble salts of these methods may be substituted for the picrates, but they are less satisfactory. Nitro-Explosives: A Practical Treatise Its weight, multiplied by .6123, gives the quantity of picric acid in the sample taken. Nitro-Explosives: A Practical Treatise If picric acid and iron rust are both absent, apply a bit of ordinary wetted soap: 1. Forty Centuries of Ink or, a chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink. As late as 1912 Germany still depended on other countries, chiefly England, for her phenol, the basic raw material for picric acid as well as a dye necessity. The Riddle of the Rhine; chemical strategy in peace and war Abel proposed to use picric acid for filling shells. Nitro-Explosives: A Practical Treatise The liquid, when cooled, deposits crystals, stated to be different to picric acid, and lustrous flakes. Nitro-Explosives: A Practical Treatise With ammonio-sulphate of copper, solutions of picric acid give a bright green precipitate. Nitro-Explosives: A Practical Treatise Apply a weak solution of cyanide of potassium; picric acid will yield a blood-red coloration. Forty Centuries of Ink or, a chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink. Allen gives the following methods for the assay of commercial picric acid, in his "Commercial Organic Analysis":— ~Resinous and Tarry matters~ are not unfrequently present. Nitro-Explosives: A Practical Treatise Victorite consists of chlorate of potash, picric acid, and olive oil, and with occasionally some charcoal. Nitro-Explosives: A Practical Treatise And lastly, there are the picrate powders, consisting of picric acid, either alone or mixed with other substances. Nitro-Explosives: A Practical Treatise In the manufacture of picric acid the first obvious and most necessary precaution is to isolate the substance from other chemicals with which it might accidentally come into contact. Nitro-Explosives: A Practical Treatise As a rule they are iron rust, picric acid, turmeric, fustic, weld, Persian berries or quercitron. Forty Centuries of Ink or, a chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink. Turpin has patented various mixtures of picric acid, with gum-arabic, oils, fats, collodion jelly, &c. Nitro-Explosives: A Practical Treatise The crude picric acid is then dissolved in water by the aid of steam, and allowed to cool when most of the picric acid recrystallises. Nitro-Explosives: A Practical Treatise The mother liquor is transferred to a tank and treated with sulphuric acid, when a further crop of picric acid crystals is obtained. Nitro-Explosives: A Practical Treatise The crystals of picric acid are further purified by recrystallisation, drained, and dried at 100° F. on glazed earthenware trays by the aid of steam. Nitro-Explosives: A Practical Treatise It is thus obvious that picric acid is much less explosive than the nitric ethers, such as nitro-glycerol and nitro-cellulose, and very considerably less explosive than the nitrogen compounds and fulminates. Nitro-Explosives: A Practical Treatise If a glass tube be heated to redness, and a minute quantity of picric acid crystals be then thrown in, it will explode with a curious characteristic noise. Nitro-Explosives: A Practical Treatise Picrates are more often used than picric acid itself in powders. Nitro-Explosives: A Practical Treatise Finally, if the amount of picric acid be still further increased under these conditions, it will undergo partial decomposition and volatilise, but will not even deflagrate. Nitro-Explosives: A Practical Treatise Five equivalents of picric acid to 13 equivalents of nitric acid. Nitro-Explosives: A Practical Treatise It would, however, be quite erroneous to assume that picric acid cannot explode when simply heated. Nitro-Explosives: A Practical Treatise The detonation of a small quantity of dry picric acid is sufficient to detonate a much larger quantity containing as much as 17 per cent. of water. Nitro-Explosives: A Practical Treatise |
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