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Potassium hydroxide for industrial use - Determination of sulphur compounds - Method by reduction and titrimetry by ISO/TC 47 Chemistry is a reference work available to read on EtoBox.
What is Potassium hydroxide for industrial use - Determination of sulphur compounds - Method by reduction and titrimetry about?
Applicable to products the content of which, expressed as sulphate, is equal or more than 5 mg/kg. The principle consists in the reduction of the sulphur compounds to hydrogen sulphide by heating with a mixture of hydriodic acid and hypophosphorous acid. Distillation of the hydrogen sulphide by a current of purified oxygen-free nitrogen in a mixture of sodium hydroxide and acetone. Titration of the sulphide with standard volumetric mercury(II) nitrate solution in the presence of dithizone as indicator.
Who reads Potassium hydroxide for industrial use - Determination of sulphur compounds - Method by reduction and titrimetry?
It is typically read by working professionals who need an authoritative practice reference.
Common subject areas: medicine, law, business, engineering.
- Author
- ISO/TC 47 Chemistry
- Publisher
- ISO
- Published
- 1975
- Language
- EN
- Category
- reference
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