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Standards GB - Chinese national standards - Page 83
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 11066.4-2008
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Methods for chemical analysis of gold - Determination of copper, lead and bismuth contents - Flame atomic absorption spectrometry
Standard published on 9.6.2008
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GB/T 11066.5-2008
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Methods for chemical analysis of gold - Determination of silver,copper,iron,lead,antimony and bismuth contents - Atomic emission spectrometry
Standard published on 9.6.2008
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GB/T 11066.6-2009
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Methods for chemical analysis of gold - Determination of magnesium, nickel, manganese, palladium contents - Flame atomic absorption spectrometry
Standard published on 15.4.2009
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GB/T 11066.7-2009
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Methods for chemical analysis of gold - Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, nickel, manganese and chromium contents - Spark atomic emission spectrometry
Standard published on 15.4.2009
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GB/T 11066.8-2009
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Method for chemical analysis of gold - Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content - Ethyl acetate extration-inductively coupled plasma - Atomic emission spectrometry
Standard published on 15.4.2009
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GB/T 11066.9-2009
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Methods for chemical analysis of gold - Determination of arsenic and tin contents - Hydride generation-atomic fluorescence spectrometry
Standard published on 15.4.2009
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GB/T 11067.1-2006
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Methods for chemical analysis of silver - Determination of silver content - Silver chloride precipitation-Flame atomic absorption spectrometric method
Standard published on 26.9.2006
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GB/T 11067.2-2006
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Methods for chemical analysis of silver - Determination of copper contents - Flame atomic absorption spectrometric method
Standard published on 26.9.2006
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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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