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Standards GB - Chinese national standards - Page 5563
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 12028-1989
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Sodium carboxymethylcellulose for detergents
WITHDRAWN published on 29.12.1989
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GB/T 12029.1-1989
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Determination of moisture andvolatile content of sodium carboxymethylcellulose for detergents
WITHDRAWN published on 29.12.1989
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GB/T 12029.2-1989
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Determination of viscosity of sodium carboxymethylcellulose for detergents
WITHDRAWN published on 29.12.1989
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GB/T 12029.3-1989
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Determination of pH of sodium carboxymethylcellulose for detergents (Potentiometric method)
WITHDRAWN published on 29.12.1989
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GB/T 12029.4-1989
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Determination of degree of etherification of sodium carboxymethylcellulose for detergents
WITHDRAWN published on 29.12.1989
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GB/T 12029.5-1989
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Determination of purity of sodium carboxymethylcellulose for detergents
WITHDRAWN published on 29.12.1989
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GB/T 12029.6-1989
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Test sieving of sodium carboxymethylcellulose for detergents
WITHDRAWN published on 29.12.1989
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GB/T 12030-1989
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Determination of particle size of powdered detergents
WITHDRAWN published on 27.12.1989
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GB/T 12031-1989
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Determination of total phosphorus pentoxide content in detergents—Quinoline phosphomolybdate gravimetric method
WITHDRAWN published on 27.12.1989
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GB/T 12032-1989
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Paper and board—Preparation of a offset print for test gloss
WITHDRAWN published on 27.12.1989
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