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GB - Chinese national standards - Page 8447

Standards GB - Chinese national standards - Page 8447

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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Preview GB/T 6150.5-1985 21.6.1985
GB/T 6150.5-1985 WITHDRAWN

Methods for chemical analysis of tungsten concentrates—The barium sulfate gravimetric method for the determination of sulfur content

WITHDRAWN published on 21.6.1985

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Preview GB/T 6150.6-1985 21.6.1985
GB/T 6150.6-1985 WITHDRAWN

Methods for chemical analysis of tungsten concentrates—The EDTA volumetric method for the determination of calcium content

WITHDRAWN published on 21.6.1985

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Preview GB/T 6150.6-2008 31.3.2008
GB/T 6150.6-2008 WITHDRAWN

Methods for chemical analysis of tungsten concentrates—Determination hygroscopic moisture content—Gravimetric method

WITHDRAWN published on 31.3.2008

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Preview GB/T 6150.7-1985 21.6.1985
GB/T 6150.7-1985 WITHDRAWN

Methods for chemical analysis of tungsten concentrates—The atomic absorption spectrophotometric method for the determination of calcium content

WITHDRAWN published on 21.6.1985

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Preview GB/T 6150.8-1985 21.6.1985
GB/T 6150.8-1985 WITHDRAWN

Methods for chemical analysis of tungsten concentrates—The gravimetric method for the determination hygroscopic moisture content

WITHDRAWN published on 21.6.1985

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Preview GB/T 6150.8-2009 30.10.2009
GB/T 6150.8-2009 WITHDRAWN

Methods for chemical analysis of tungsten concentrates—Determination of molybdenum content—The thiocyanate spectrophotometry

WITHDRAWN published on 30.10.2009

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Preview GB/T 6150.9-1985 21.6.1985
GB/T 6150.9-1985 WITHDRAWN

Methods for chemical analysis of tungsten concentrates—The chlorosulphophenol S photometric method for the determination niobium content; The butylrhodamine B extraction photometric method for the determination tantalum content

WITHDRAWN published on 21.6.1985

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Preview GB 6151-1985 1.1.1985
GB 6151-1985 WITHDRAWN

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WITHDRAWN published on 1.1.1985

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Preview GB/T 6151-1997 9.6.1997
GB/T 6151-1997 WITHDRAWN

Textiles—Tests for colour fastness—General principle of testing

WITHDRAWN published on 9.6.1997

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Preview GB 6152-1985 1.1.1985
GB 6152-1985 WITHDRAWN

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WITHDRAWN published on 1.1.1985

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