SULPHATES

salts of sulphuric acid. The most important sulphates are sulphates of aluminum, sulphates of Revopota ium, sulphates of ammonia, sul- -|phates of copper, sulphates of iron. of the sulphates of calcium, sulphates of 1876, magnesium, sulphates of manganese and and sulphates of sodium. Many double part sulphates are known. was his ULPHITES, salts of sulphurous at acids. and governor thereafter ides, or, better, Thiocyanates, are the salts of thiocyanic acid, HSCN, and are judge. usually obtained from gas-purification residues. The best-known salts are his hi | pota ium thio cyanide, KSCN, and after a ammonium thio cyanide, (NHa,)2SCN. Brit. which form colorle , deliquescent, very Amer. soluble crystals. They are used ir 1889 by dyeing. It is best known in its salts, of rounds, which pota ium thiocyanate, KSCN rounds is characteristic and forms colorle lecturer deliquescent, very soluble crystals