GB/T 11200.1-2025 Active National standards

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

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

Publish Date: 2025-06-30 Implement Date: 2026-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 11200.1-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Inorganic acids and alkalis

ICS Name: \nAlkali

Publish Date: 2025-06-30

Implement Date: 2026-01-01

Pages: 8 pages

Scope

This document describes the testing principle for the sodium chlorate content in high-purity sodium hydroxide, and specifies the reagents or materials used for the determination, the instruments and equipment involved, the experimental steps, the calculation of results, the allowable deviations, and the content of the test report.
This document is applicable to the determination of the sodium chlorate content in high-purity sodium hydroxide with a mass fraction of 0.0005% to 0.01%.

Development Information

Word Count: 12 Thousand words Pages: 8 pages

Replace the following standards

GB/T 11200.1-2006 Sodium hydroxide for industrial use—Determination of sodium chlorate content—o-Tolidine spectrometric method

Referenced Standards

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

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