GB/T 4348.1-2026: Component determination of sodium hydroxide for industrial use - Part 1: Sodium hydroxide and sodium carbonate

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Scope

This document describes the testing principles and methods for determining the sodium
hydroxide and sodium carbonate content in sodium hydroxide for industrial use, and
specifies the reagents or materials used, instruments and equipment, result calculations,
and test reports.
This document applies to the determination of sodium hydroxide and sodium carbonate
content in sodium hydroxide for industrial use.

Basic Data

Standard ID	GB/T 4348.1-2026 (GB/T4348.1-2026)
Description (Translated English)	Component determination of sodium hydroxide for industrial use - Part 1: Sodium hydroxide and sodium carbonate
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G11
Classification of International Standard	71.060.40
Date of Issue	2026-01-28
Date of Implementation	2026-08-01
Older Standard (superseded by this standard)	GB/T 4348.1-2013