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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
Series of cycle tyres
WITHDRAWN published on 18.6.2008
Selected format:Surface active agents—Determination of alkalinity—Titrimetric method
WITHDRAWN published on 22.8.1996
Selected format:Surface active agents--Determination of apparent density of pastes on filling
WITHDRAWN published on 9.3.1987
Selected format:Surface active agents—Determination of apparent density of pastes on filling
WITHDRAWN published on 3.7.2003
Selected format:Surface active agents and detergents—Determination of water content—Karl Fischer method
WITHDRAWN published on 20.12.1995
Selected format:Surface active agents—Determination of stability in hard water
WITHDRAWN published on 6.8.1993
Selected format:Non-ionic surface active agents—Polyalkoxylated derivatives—Determination of hydroxyl value—Phthalic anhydride method
WITHDRAWN published on 14.10.1997
Selected format:Non-ionic surface active agents—Determination of hydroxyl value
WITHDRAWN published on 13.8.2007
Selected format:Non-ionic surface active agents—Polyethoxylated derivatives—Determination of hydroxyl value—Acetic anhydride method
WITHDRAWN published on 22.8.1996
Selected format:Non-ionic Surface active agents—Polyethoxylated derivatives—Iodometric determination of oxyethylene groups
WITHDRAWN published on 22.12.1994
Selected format:Latest update: 2025-07-28 (Number of items: 2 209 911)
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