ISO 2481:1973 PDF
Sodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric method
Sodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric method
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 января 1973 г.
- Издание:
- ISO IS 2481 edition 1 version 1
- ICS:
- 71.060.50
The principle of the analysis consists in titration of the halogen ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. The main solution for the determination is prepared according to ISO 2479.
Abstract
Overview
ISO 2481:1973 specifies a for determining halogens, expressed as , in . The method titrates halide ions with in the presence of as the indicator. The principal solution used for the analysis is prepared in accordance with . is intended for analytical and quality-control laboratories monitoring industrial salt purity.
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