Zns sentence example
- Zinc sulphide, ZnS, occurs in nature as blende (q.v.), and is artificially obtained as a white precipitate by passing sulphuretted hydrogen into a neutral solution of a zinc salt.
- - From neutral solutions of its salts zinc is precipitated by sulphuretted hydrogen as sulphide, ZnS - a white precipitate, soluble, but by no means readily, in dilute mineral acids, but insoluble in acetic acid.
- Another metallic sulphide, blende, ZnS, is of importance for Germany, Belgium and the United States, much less so for the United Kingdom, as a source of sulphur.
- Most economic deposits of non-ferrous metals occur as sulfide minerals e.g. galena, PbS; sphalerite, ZnS; chalcopyrite, CuFeS 2.