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Homepage>ISO 981:1973-Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method
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sklademVydáno: 1973
ISO 981:1973-Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method

ISO 981:1973

ISO 981:1973-Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method

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Označení normy:ISO 981:1973
Počet stran:2
Vydání:1
Vydáno:1973
DESCRIPTION

ISO 981:1973


The method is applicable to products of which the chloride content is greater than 0.005 % (m/m). The procedure based on titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. - Replaces ISO Recommendation R 981-1969.
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