GB/T 4348.1-2026 Active National standards

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

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

Publish Date: 2026-01-28 Implement Date: 2026-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 4348.1-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Inorganic acids and alkalis

ICS Name: \nAlkali

Publish Date: 2026-01-28

Implement Date: 2026-08-01

Pages: 12 pages

Scope

This document describes the testing principles and methods for determining the content of sodium hydroxide and sodium carbonate in industrial-grade sodium hydroxide, and specifies the reagents or materials used for measurement, the instruments and equipment required, the calculation of results, and the content of the test report.
This document is applicable to the determination of the content of sodium hydroxide and sodium carbonate in industrial-grade sodium hydroxide.

Development Information

Word Count: 12 Thousand words Pages: 12 pages

Replace the following standards

GB/T 4348.1-2013 Sodium hydroxide for industrial use—Determination of sodium hydroxide and sodium carbonate content

Referenced Standards

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 9725-1988 Chemical reagent General rules for potentiometric titration GB/T 9725-2007 Chemical reagent—General rule for potentiometric titration

Related Standards

GB/T 11199-1989 Replaced

GB/T 11199-1989 Membrane process sodium hydroxide

Publish Date: 1989-02-24

GB/T 11213.1-1989 Replaced

GB/T 11213.1-1989 Sodium hydroxide for chemical fiber—Determination method of mass fraction

Publish Date: 1989-03-31

GB/T 11213.2-1989 Replaced

GB/T 11213.2-1989 Sodium hydroxide for chemical fiber use—Determination of sodium chloride content—Spectrometric method

Publish Date: 1989-03-31

GB/T 11213.7-1989 Replaced

GB/T 11213.7-1989 Sodium hydroxido for chemical fiber use—Determination of copper mass fraction—Spectrometric method

Publish Date: 1989-03-31

GB 209-1993 Replaced

GB 209-1993 Sodium hydroxide for industrial use

Publish Date: 1993-01-06

GB/T 4294-1997 Replaced

GB/T 4294-1997 Aluminium hydroxide

Publish Date: 1997-12-22