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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
Water quality--Determination of barium--Potentiometric titration method
Standard published on 18.9.1993
Selected format:Air quality--Determination of odor--Triangle odor bag method
Standard published on 18.9.1993
Selected format:Air quality--Determination of trimethylamine--Gas chromatography
Standard published on 18.9.1993
Selected format:Air quality--Determination of sulfuretted hydrogen methyl sulfhydryl dimethyl sulfideand dimethyl disulfide--Gas chromatography
Standard published on 18.9.1993
Selected format:Tracing paper
Standard published on 30.12.2011
Selected format:
Tracing paper
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Air quality--Determination of carbon disulfide--Diethylamine spectrophometric method
Standard published on 18.9.1993
Selected format:Electrically heated glazing materials for locomotives and ships Part 1: Heated glass panes for ships"" rectangular windows
Standard published on 22.2.2006
Selected format:Electrically heated glazing materials for railway rolling stock and ship Part 2: Electrically heated glazing materials for railway rolling stock
Standard published on 22.2.2006
Selected format:Building sealing material vocabulary
Standard published on 18.7.2006
Selected format:Latest update: 2026-04-16 (Number of items: 2 272 849)
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