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Standards GB - Chinese national standards - Page 7548
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 3253.6-1982
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WITHDRAWN published on 1.1.1982
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GB/T 3253.6-2001
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Methods for chemical analysis of antimony—Determination of bismuth content
WITHDRAWN published on 10.7.2001
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GB/T 3253.7-1982
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Chemical analysis of antimony--The 3, 3-diaminobenzidine photometric method for determination of selenium
WITHDRAWN published on 1.1.1982
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GB 3254.1-1982
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Chemical analysis of antimony trioxide--The iodimetric method for determination of antimony trioxide
WITHDRAWN published on 1.1.1982
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GB/T 3254.1-1998
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Antimony trioxide—Determination of antimony trioxide content
WITHDRAWN published on 15.7.1998
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GB 3254.2-1982
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Chemical analysis of antimony trioxide--Determination of antimony trioxide by difference
WITHDRAWN published on 1.1.1982
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GB/T 3254.2-1998
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Antimony trioxide—Determination of arsenic content
WITHDRAWN published on 15.7.1998
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GB 3254.3-1982
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Chemical analysis of antimony trioxide--Gravimetric method for determination of tartaric acid insolubles
WITHDRAWN published on 1.1.1982
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GB/T 3254.3-1998
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Antimony trioxide—Determination of lead content
WITHDRAWN published on 15.7.1998
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GB 3254.4-1982
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Chemical analysis of antimony trioxide--The dithizone photometric method for determination of lead
WITHDRAWN published on 1.1.1982
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