| 单词 | arsenic acid |
| 例句 | A salt having two equivalents of arsenic acid to one of the base. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z According to Binz and Schultz its power is due to the fact that it is an oxygen-carrier, arsenious acid withdrawing oxygen from the protoplasm to form arsenic acid, which subsequently yields up its oxygen again. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" Even the spent arsenic acid of the magenta-still has its use. Coal and What We Get from It For the examination of technical products experiments made in sulphuric acid solutions have no value, since arsenic acid, which is generally present to a greater or less extent, affects the end reaction. A Text-book of Assaying: For the Use of Those Connected with Mines. This substance conducted, and was decomposed; but it contained water, and I was unable at the time to press the investigation so as to ascertain whether a fusible anhydrous arsenic acid could be obtained. Experimental Researches in Electricity, Volume 1 It was first made from aniline by the agency of mercurial salts, and afterward by that form of arsenic known to chemists as arsenic acid. Scientific American Supplement, No. 470, January 3, 1885 This substance dissolves slowly in water, forming arsenic acid; by heating to redness it decomposes into arsenic and oxygen. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" From the arsenical waste arsenious acid can be recovered, and converted back into arsenic acid by the action of nitric acid. Coal and What We Get from It The precipitate will contain the phosphorus, together with any arsenic acid not reduced by the sulphuretted hydrogen. A Text-book of Assaying: For the Use of Those Connected with Mines. It is important that water should be used in such quantities as to prevent the solution of arsenic acid from depositing crystals on cooling. The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes The method above described is the most satisfactory for the preparation of quinoline itself, but for the preparation of homologues of quinoline, the use of arsenic acid is preferable, since the yields are somewhat greater. Organic Syntheses It is easily oxidized by heating with concentrated nitric acid to arsenic acid, and with concentrated sulphuric acid to arsenic trioxide; dilute nitric acid only oxidizes it to arsenious acid. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" Arsenic acid process for magenta discovered; leading to manufacture of arsenic acid. Coal and What We Get from It The filtrate contains the arsenic as arsenic acid. A Text-book of Assaying: For the Use of Those Connected with Mines. Having got the arsenic into solution as arsenic acid, and in a volume not much exceeding 50 c.c., add about 20 c.c. of dilute ammonia and 20 c.c. of "magnesia mixture." A Text-book of Assaying: For the Use of Those Connected with Mines. It is applicable in all cases where the arsenic exists in solution as arsenic acid or as arsenate of soda. A Text-book of Assaying: For the Use of Those Connected with Mines. |
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