GB/T 11200.1-2025: Test methods of high-purity sodium hydroxide - Part 1: Determination of sodium chlorate content

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Scope

This document describes the test principle for sodium chlorate content in high-purity sodium
hydroxide, and specifies the reagents or materials, instruments and equipment, test procedures,
result calculation, allowable differences, and test report content.
This document applies to the determination of sodium chlorate content in high-purity sodium
hydroxide with a mass fraction of 0.00005% ~ 0.01%.

Basic Data

Standard ID	GB/T 11200.1-2025 (GB/T11200.1-2025)
Description (Translated English)	Test methods of high-purity sodium hydroxide - Part 1: Determination of sodium chlorate content
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G11
Classification of International Standard	71.060.40
Word Count Estimation	7,740
Date of Issue	2025-06-30
Date of Implementation	2026-01-01
Older Standard (superseded by this standard)	GB/T 11200.1-2006
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration