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Standards GB - Chinese national standards - Page 88
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 11067.3-2006
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Methods for chemical analysis of silver - Determination of selenium and tellurium content - Inductively coupled plasma atomic emission spectrometric method
Standard published on 26.9.2006
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GB/T 11067.4-2006
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Methods for chemical analysis of silver - Determination of antimony content - The inductively coupled plasma atomic emission spectrometric method
Standard published on 26.9.2006
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GB/T 11067.5-2006
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Methods for chemical analysis of silver - Determination of lead and bismuth contents - Flame atomic absorption spectrometric method
Standard published on 26.9.2006
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GB/T 11067.6-2006
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Methods for chemical analysis of silver - Determination of iron contents - Flame atomic absorption spectrometric method
Standard published on 26.9.2006
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GB/T 11067.7-2024
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Methods for chemical analysis of silver—Part 7: Determination of gold and palladium content—Inductively coupled plasma emission spectrometry
Standard published on 28.11.2024
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GB/T 11068-2006
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Gallium arsenide epitaxial layer - determination of carrier concentration voltage-capacitance method
Standard published on 18.7.2006
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GB/T 11069-2017
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High purity germanium dioxide
Standard published on 14.10.2017
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GB/T 11070-2017
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Reduced germanium ingot
Standard published on 14.10.2017
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GB/T 11071-2018
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Zone-refined germanium ingot
Standard published on 28.12.2018
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GB/T 11072-2009
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Indium antimonide polycrystal,single crystals and as-cut slices
Standard published on 30.10.2009
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