The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница 287
... cyanide . The cyanide may be kept in the bottom of the jar or can with plaster paris , or better , with suitable pieces of blotting paper , which absorb the moisture . The lid should be tight , so as to retain all of the fumes , and ...
... cyanide . The cyanide may be kept in the bottom of the jar or can with plaster paris , or better , with suitable pieces of blotting paper , which absorb the moisture . The lid should be tight , so as to retain all of the fumes , and ...
Страница 329
... cyanide , commercial sulphuric acid and water . The cyanide is usually handled in the 200 - pound cases and the acid in steel drums weighing from 1,200 to 2,000 pounds . Cyanide . For many years potassium cyanide 98-99 per cent pure was ...
... cyanide , commercial sulphuric acid and water . The cyanide is usually handled in the 200 - pound cases and the acid in steel drums weighing from 1,200 to 2,000 pounds . Cyanide . For many years potassium cyanide 98-99 per cent pure was ...
Страница 330
... Cyanide : Potassium cyanide Sulphuric acid Water Sodium Cyanide : Sodium cyanide . Sulphuric acid Water CHEMICAL PROPORTIONS . 1 ounce . 1 fluid ounce . 3 fluid ounces . 1 ounce . 14 fluid ounces . 2 fluid ounces . METHODS OF PROCEDURE ...
... Cyanide : Potassium cyanide Sulphuric acid Water Sodium Cyanide : Sodium cyanide . Sulphuric acid Water CHEMICAL PROPORTIONS . 1 ounce . 1 fluid ounce . 3 fluid ounces . 1 ounce . 14 fluid ounces . 2 fluid ounces . METHODS OF PROCEDURE ...
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