M Formula: | ZnS |
Properties: | |
Yellowish-white powder. Stable if kept dry. α: d 3.98. β: d 4.102, changes to α form at 1020C. Sublimes at 1180C. Soluble in acids; insoluble in water. | |
Derivation: | |
By passing hydrogen sulfide gas into a solution of a zinc salt. | |
Grade: | |
Technical, CP, fluorescent or luminous, single crystals. | |
Use: | |
Pigment, white and opaque glass, base for color lakes, rubber, plastics, dyeing (hydrosulfite process), ingredient of lithopone, phosphor in X-ray and television screens, luminous paints, fungicide. | |