trisulphide

British  

/ traɪˈsʌlfaɪd /

noun

1. any sulphide containing three sulphur atoms per molecule

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Example Sentences

In their initial experiments, he and his team created a standardised manure-like stench from a mixture of dimethyl disulphide, dimethyl trisulphide, diethyl disulphide, butyric acid, para-cresol and guaiacol.

From Economist

In the wet way, arsenious oxide and arsenites, acidified with hydrochloric acid, give a yellow precipitate of arsenic trisulphide on the addition of sulphuretted hydrogen; this precipitate is soluble in solutions of the alkaline hydroxides, ammonium carbonate and yellow ammonium sulphide.

From Project Gutenberg

On acidifying the solution so obtained with hydrochloric acid, the whole of the arsenic is reprecipitated as trisulphide, K2HAsO3 + K2HAsS3 + 4HCl = 4KCl + 3H2O + As2S3.

From Project Gutenberg

Arsenic pentasulphide, As2S5, can be prepared by fusing the trisulphide with the requisite amount of sulphur; it is a yellow easily-fusible solid, which in absence of air can be sublimed unchanged; it is soluble in solutions of the caustic alkalis, forming thioarsenates, which can also be obtained by the action of alkali polysulphides on orpiment.

From Project Gutenberg

Two sulphides of antimony are definitely known, the trisulphide Sb2S3 and the pentasulphide Sb2S5; a third, the tetrasulphide Sb2S4, has also been described, but its existence is doubtful.

From Project Gutenberg