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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
Methods for chemical analysis of tin—Determination of cadmium content
WITHDRAWN published on 28.8.2000
Selected format:Methods for chemical analysis of tin—Determination of iron content
WITHDRAWN published on 28.8.2000
Selected format:Methods for chemical analysis of tin—Determination of bismuth content
WITHDRAWN published on 28.8.2000
Selected format:Methods for chemical analysis of tin—Determination of lead content
WITHDRAWN published on 28.8.2000
Selected format:Methods for chemical analysis of tin—Part 4:Determination of lead content—Flame atomic absorption spectrometric method
WITHDRAWN published on 17.12.2013
Selected format:Methods for chemical analysis of tin—Determination of antimony content
WITHDRAWN published on 28.8.2000
Selected format:Methods for chemical analysis of tin—Determination of arsenic content
WITHDRAWN published on 28.8.2000
Selected format:Methods for chemical analysis of tin—Determination of aluminum content
WITHDRAWN published on 28.8.2000
Selected format:Chemical analysis of tin--The PAN photometric method for determination of zinc
WITHDRAWN published on 1.1.1982
Selected format:Methods for chemical analysis of tin—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method
WITHDRAWN published on 17.12.2013
Selected format:Latest update: 2026-03-29 (Number of items: 2 269 691)
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