ISO 981:1973 (R2023)
Active , Reaffirmed Standard
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ISO 981:1973 (R2023)

Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 02/01/1973
Confirmation Date 11/29/2023
Edition 1
Page Count 2
EAN ---
ISBN ---
Weight (in grams) ---
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