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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Standards [CURRENT]

ISO 981
Sodium hydroxide for industrial use; Determination of chloride content; Mercurimetric method

Title (German)

Natriumhydroxid (Natronlauge, Ätznatron) für Industriezwecke; Bestimmung des Chloridgehaltes; mercurimetrische Methode (Titrierung des Cl-Ions mit Quecksilbernitrat)