Monosulphide sentence example

monosulphide
  • Calcium monosulphide, CaS, a white amorphous powder, sparingly soluble in water, is formed by heating the sulphate with charcoal, or by heating lime in a current of sulphuretted hydrogen.

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  • The solution is strongly caustic. It turns yellow on exposure to air, absorbing oxygen and carbon dioxide and forming thiosulphate and potassium carbonate and liberating sulphuretted hydrogen, which decomposes into water and sulphur, the latter combining with the monosulphide to form higher salts.

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  • A subsulphide, Ni 2 S(?), results when the sulphate is heated with sulphur or when the precipitated monosulphide is heated in a current of hydrogen.

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  • They do, however, not catalyze monosulphide conversion, i.e., pyrite formation.

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