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GB - Chinese national standards - Page 406

Standards GB - Chinese national standards - Page 406

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 14502-2025 5.10.2025
GB/T 14502-2025

Analytical method for nickel-63 in water

Standard published on 5.10.2025

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Preview GB/T 14503-2008 2.7.2008
GB/T 14503-2008

General principle of nomenclature and classification of radioisotope products

Standard published on 2.7.2008

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in 3 working days
Preview GB/T 14505-2010 10.11.2010
GB/T 14505-2010

Method for chemical analysis of rocks and ores - General rules and regulations

Standard published on 10.11.2010

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Preview GB/T 14506.1-2010 10.11.2010
GB/T 14506.1-2010

Methods for chemical analysis of silicate rocks - Part 1: Determination of hygroscopic water content

Standard published on 10.11.2010

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Preview GB/T 14506.10-2010 10.11.2010
GB/T 14506.10-2010

Methods for chemical analysis of silicate rocks—Part 10:Determination of manganese oxide content

Standard published on 10.11.2010

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Preview GB/T 14506.11-2010 10.11.2010
GB/T 14506.11-2010

Methods for chemical analysis of silicate rocks - Part 11: Determination of potassium oxide and sodium oxide content

Standard published on 10.11.2010

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Preview GB/T 14506.12-2010 10.11.2010
GB/T 14506.12-2010

Methods for chemical analysis of silicate rocks - Part 12: Determination of fluorine content

Standard published on 10.11.2010

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Preview GB/T 14506.13-2010 10.11.2010
GB/T 14506.13-2010

Methods for chemical analysis of silicate rocks—Part 13:Determination of sulfur content

Standard published on 10.11.2010

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Preview GB/T 14506.14-2010 10.11.2010
GB/T 14506.14-2010

Methods for chemical analysis of silicate rocks—Part 14:Determination of ferrous oxide content

Standard published on 10.11.2010

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Preview GB/T 14506.15-2010 10.11.2010
GB/T 14506.15-2010

Methods for chemical analysis of silicate rocks - Part 15: Determination of lithium content

Standard published on 10.11.2010

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