hydrosulphate

/ ˌhaɪdrəʊˈsʌlfeɪt /

noun

any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate, C 6 H 5 NH 3 HSO 4

Sulphide of ammonium, Hydrosulphide of ammonium, Hydrosulphate of ammonia.

Strong hydrosulphate of ammonia produces a dark tint of oxidation, and if diluted with much water a light tint is produced.

The product is a mixed solution of hydrosulphate and hyposulphate of potassa.

Wash the surface over with a little dilute solution of hydrosulphate of ammonia, and dry at a gentle heat.

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