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Standards GB - Chinese national standards - Page 4328

Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level. Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document

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GB/T 4372.4-2015

Methods for chemical analysis of zincoxide produced by direct process—Part 4Determination of cadmium oxide content—Flame atomic absorption spectrometry method

Standard published on 11.9.2015

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GB/T 4372.5-2014

Methods for chemical analysis of zinc oxide produced by direct processPart 5Determination of manganese contentFlame atomic absorption spectrometry method

Standard published on 5.12.2014

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GB/T 4372.6-2014

Methods for chemical analysis of zincoxide produced by direct processPart 6Testing of metallic zinc

Standard published on 5.12.2014

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GB/T 4372.7-2014

Methods for chemical analysis of zinc oxide produced by direct processPart 7Determinantion of ferric oxide contentFlame atomic absorption spectrometry method

Standard published on 5.12.2014

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GB/T 43720-2024

Leather and fur—Chemical test—Determination of fire retardants

Standard published on 15.3.2024

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GB/T 43721-2024

Textiles—Determination of benzalkonium chloride

Standard published on 15.3.2024

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GB/T 43722.1-2024

Leather—Determination of antimicrobial activity—Part 1: Film contact method

Standard published on 15.3.2024

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GB/T 43723-2024

Semi-integrated LED-lamps for general lighting services with supply voltages not exceeding 50Va.c.r.m.s.or 120V ripple free d.c.—Performance requirements

Standard published on 29.6.2024

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GB/T 43724-2024

Test method for liquid crystal monomers

Standard published on 15.3.2024

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