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Home › Miscellaneous Chemicals › Sulphocyanide of Ammonium
Sulphocyanide of Ammonium
4237. Sulphuret of Barium. Calcine Saturate 2 parts of common water of ammo- and reduce to powder 2 pounds sulphate of nia (specific gravity 0.950) with sulphuretted baryta, mix it with 4 ounces finely powdered hydrogen; and add 6 parts of the same am- charcoal; submit the mixture for 3 hours to monia. To this mixture add 2 parts of sul- a low white heat in a covered crucible. When phur, and the product of the distillation of 6 cool, powder, and boil for 5 minutes in 5 parts of prussiate of potash, 3 of sulphuric pints water; decant the clear, and repeat arid, and 18 of water. Digest till the sulphur the operation with 3 pints more water; unite is no longer acted on, and the liquid becomes the liquors, and crystallize by cooling. yellow. Boil the liquid till it becomes color- 4238. Carbonate of Lithia. Precipiless, filter, evaporate, and crystallize. tate a solution of sulphate of lithia, by a