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Standards GB - Chinese national standards - Page 8179
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 5118-1995
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Low alloy steel covered electrodes
WITHDRAWN published on 12.7.1995
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GB 5119.1-1985
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Methods for chemical analysis of crude lead--The EDTA volumetric method for the determination of lead content
WITHDRAWN published on 1.1.1985
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GB 5119.2-1985
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Methods for chemical analysis of crude lead--The pyrocatechol violet photometric method for the determination of tin content
WITHDRAWN published on 1.1.1985
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GB 5119.3-1985
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Methods for chemical analysis of crude lead--The cerium sulfate volumetric method for the determination of antimony content
WITHDRAWN published on 1.1.1985
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GB 5119.4-1985
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Methods for chemical analysis of crude lead--The 5-Br-PADAP photometric method for the determination of antimony content
WITHDRAWN published on 1.1.1985
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GB 5119.5-1985
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Methods for chemical analysis of crude lead--The molybdo antimony arsenate blue photometric method for the determination of arsenic content
WITHDRAWN published on 1.1.1985
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GB 5119.6-1985
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Methods for chemical analysis of crude lead--The oscillopolarographic method for the determination of copper content
WITHDRAWN published on 1.1.1985
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GB 5119.7-1985
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Methods for chemical analysis of crude lead--The fire assay-gravimetric method for the determination of gold content and potassium thiocyanate volumetric method for the determination of silver content
WITHDRAWN published on 1.1.1985
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GB 5119.8-1985
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Methods for chemical analysis of crude lead--The atomic absorption spectrophotometric method for the determination of gold content
WITHDRAWN published on 1.1.1985
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GB 5119.9-1985
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Methods for chemical analysis of crude lead--The atomic absorption spectrophotometric method for the determination of silver content
WITHDRAWN published on 1.1.1985
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