Noun:

கந்தகை,

sulphides's Usage Examples:

It is formed when sulphur is burned in air or in oxygen, or when many metallic sulphides are roasted.

Edmond Becquerel was associated with his father in much of his work, but he himself paid special attention to the study of light, investigating the photochemical effects and spectroscopic characters of solar radiation and the electric light, and the phenomena of phosphorescence, particularly as displayed by the sulphides and by compounds of uranium.

This may consist of a steam injector by means of which air is made to bubble through the liquid, which produces both the required agitation and the heating, and at the same time oxidizes at least part of the sulphides; but this method of agitation causes a great waste of steam and at the same time a further dilution of the liquor.

"The most common of these sulphides is cobaltous sulphide, CoS, which occurs naturally as syepoorite, and can be artificially prepared by heating cobaltous oxide with sulphur, or by fusing anhydrous cobalt sulphate with barium sulphide and common salt.

- The sources of all sulphur preparations used in medicine (except calx sulphurata) are native virgin sulphur and the sulphides of metals.

In the bowel its conversion into sulphides causes it to act as a mild laxative.

Ruthenium sulphides are obtained when the metal is warmed with pyrites and some borax, and the fused mass treated with hydrochloric acid first in the cold and then hot.

By the union of antimony trisulphide with basic sulphides, livers of antimony are obtained.

It is appreciably soluble in water, and also in solutions of the caustic alkalis and alkaline sulphides.

- Sulphur itself has no action, but when brought into contact with the secretions it forms sulphides, sulphites and sulphuretted hydrogen, and thereby becomes more or less irritant and antiseptic.

Synonyms:

sulfur, iron disulfide, sulphur, pyrites, compound, S, atomic number 16, sulfide, zinc sulphide, cadmium sulfide, hydrogen sulfide, zinc sulfide, chemical compound,

Antonyms:

disintegrate, decrease, simple, rough, smooth,