sulphate (sulfat)

[F. sulfate = Sp. Pg. sulfa to = It. solfato, sulphate and in larger doses as an emetic. In overdoses it acts as an irritant poison. Copper sulphate, or blue vitriol, is made on an enormous scale, and is used in preparing pig ments (Scheele's green, Paris green, etc.), in calico-printing, in electrometallurgy, and in horticulture, particularly by vineyardists, as a fungicide. It is used in medicine, chiefly as a feeble escharotic for exuberant granulations, and as a local stimulant. Aluminium sulphate, called concentrated alum or sulphate of alumina, is used as a mordant and makeweight and for preparing alums. Ferrous sulphate, or green vitriol, is used as a mordant and for the manufacture of inks, Pru ian blue, etc. The alkaloids morphine, atropin, quinine, etc., are generally administered in the form of sulphates. - Carbyl sulphate. Ethyl sulphate. See sulphuric ether, under sulphuric. Precipitated sulphate of iron. See precipitate. Sulphate of indigo. See indigo. Same as ethionic an hydrid (which see, sulphate (sulfat), v.; pret. and pp. sulphated, ppr. sulphating. [ a coloring material, as on placards, into lead sulphate by means of dilute sulphuric acid.Sulphated oil. See castor-oil. II. in trans. To form a sulphate (especially a lead sulphate) deposit. The sodium salt diminishes the chance of objectionable sulphating in the cell. Philos. Mag ., XXX. 162. sulphatic atic (sul-fat'ik), (sul-fat'ik), a. a. [ 6052