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Standards GB - Chinese national standards - Page 6354
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 17070-1997
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Workplace air—Determination of benzyl chloride—Gas chromatographic method
WITHDRAWN published on 11.11.1997
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GB/T 17071-1997
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Workplace air—Determination of benzyl cyanide—Gas chromatographic method
WITHDRAWN published on 11.11.1997
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GB/T 17072-1997
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Workplace air—Determination of P-nitroaniline—Solvent desorption gas chromatographic method
WITHDRAWN published on 11.11.1997
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GB/T 17073-1997
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Workplace air—Determination of cyclohexanone—Solvent desorption gas chromatographic method
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GB/T 17074-1997
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Workplace air—Determination of acetaldehyde—Solvent desorption gas chromatographic method
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GB/T 17075-1997
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Workplace air—Determination of butyl alcohol—Solvent desorption gas chromatographic method
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GB/T 17076-1997
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Workplace air—Determination of isobutyl alcohol—Solvent desorption gas chromatographic method
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GB/T 17077-1997
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Workplace air-Determination of dimethyl sulphate-Solvent desorption liquid chromatographic method
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GB/T 17078-1997
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Workplace air—Determination of trinitrophenol—Liquid chromatographic method
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GB/T 17079-1997
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Workplace air—Determination of methyl acetate—Solvent desorption gas chromatographic method
WITHDRAWN published on 11.11.1997
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