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Standards GB - Chinese national standards - Page 189
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 12496.10-1999
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Test methods of wooden activated carbon--Determination of methylene blue adsorption
Standard published on 10.11.1999
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GB/T 12496.11-1999
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Test methods of wooden activated carbon--Determination of quinine sulpoate adsorption
Standard published on 10.11.1999
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GB/T 12496.12-1999
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Test methods of wooden activated carbon--Determination of phenol adsorption
Standard published on 10.11.1999
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GB/T 12496.13-1999
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Test methods of wooden activated carbon--Determination of uncarbonized substances
Standard published on 10.11.1999
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GB/T 12496.14-1999
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Test methods of wooden activated carbon--Determination of cyanide
Standard published on 10.11.1999
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GB/T 12496.15-1999
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Test methods of wooden activated carbon--Determination of sulphide
Standard published on 10.11.1999
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GB/T 12496.16-1999
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Test methods of wooden activated carbon--Determination of chloride content
Standard published on 10.11.1999
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GB/T 12496.17-1999
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Test methods of wooden activated carbon--Determination of sulphate
Standard published on 10.11.1999
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GB/T 12496.18-1999
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Test methods of wooden activated carbon--Determination of acid-soluble substance
Standard published on 10.11.1999
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GB/T 12496.19-2015
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Test methods of wooden activated carbon—Determination of iron content
Standard published on 3.7.2015
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