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Standards GB - Chinese national standards - Page 4258
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 4325.26-2013
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Methods for chemical analysis of molybdenum - Part 26: Determination of aluminiummagnesiumcalciumvanadiumchromiummanganeseironcobaltnickelcopperzincarseniccadmiumtinantimonytungstenlead and bismuth contents - Inductively coupled plasma mass spectrometry
Standard published on 9.5.2013
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GB/T 4325.3-2013
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Methods for chemical analysis of molybdenum - Part 3: Determination of bismuth content - Atomic fluorescence spectrometry
Standard published on 9.5.2013
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GB/T 4325.4-2013
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Methods for chemical analysis of molybdenum - Part 4: Determination of tin content - Atomic fluorescence spectrometry
Standard published on 9.5.2013
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GB/T 4325.5-2013
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Methods for chemical analysis of molybdenum - Part 5: Determination of antimony content - Atomic fluorescence spectrometry
Standard published on 9.5.2013
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GB/T 4325.6-2013
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Methods for chemical analysis of molybdenum - Part 6: Determination of arsenic content - Atomic fluorescence spectrometry
Standard published on 9.5.2013
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GB/T 4325.7-2013
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Methods for chemical analysis of molybdenum - Part 7: Determination of iron content - 1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry
Standard published on 9.5.2013
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GB/T 4325.8-2013
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Methods for chemical analysis of molybdenum - Part 8: Determination of cobalt content - 5-Cl-PADAB spectrophotometry and flame atomic absorption spectrometry
Standard published on 9.5.2013
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GB/T 4325.9-2013
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Methods for chemical analysis of molybdenum - Part 9: Determination of nickel content - Dimethylglyoxime spectrophotometry and flame atomic absorption spectrometry
Standard published on 9.5.2013
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GB/T 43250-2023
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Automotive active infrared detection system
Standard published on 27.11.2023
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GB/T 43251-2023
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Nanotechnologies—Test method for tensile properties of small size nanostructured thin film
Standard published on 27.11.2023
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