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Standards GB - Chinese national standards - Page 152
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 11927-2025
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Determination of density and volume fraction of open porosity in uranium dioxide pellets—Penetration immersion method
Standard published on 5.10.2025
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GB 11928-1989
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Regulations for interim storage of low-and intermediate-level radioactive solid wastes
Standard published on 21.12.1989
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GB 11929-2011
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Regulations for designing storage building of high level radioactive liquid waste
Standard published on 30.12.2011
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GB 11930-2010
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Radiation protection regulations for handling unsealed source
Standard published on 10.11.2010
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GB/T 11934-1989
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Standard method for hygienic examination of acetaldehyde and acrolin in drinking water sources--Gas chromatography
Standard published on 21.9.1989
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GB/T 11935-1989
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Standard method for hygienic examination of chloroprene in drinking water sources--Gas chromatography
Standard published on 21.9.1989
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GB/T 11936-1989
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Standard methods for hygienic examination of acrylamide in drinking water sources--Gas chromatography
Standard published on 21.9.1989
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GB/T 11937-1989
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Standard methods for hygienic examination of benzenes in drinking water sources--Gas chromatography
Standard published on 21.9.1989
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GB/T 11938-1989
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Standard methods for hygienic examination of chlorobenzenes in drinking water sources--Gas chromatography
Standard published on 21.9.1989
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GB/T 11939-1989
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Standard method for hygienic examination of dinitrobenzene and nitrochlorobenzene in drinking water sources--Gas chromatography
Standard published on 21.9.1989
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