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Standards GB - Chinese national standards - Page 7777
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 4372.6-2001
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Methods for chemical analysis of zinc oxide produced by direct process—Methods for chemical analysis of zinc oxide made by direct process—Test of metallic zinc
WITHDRAWN published on 10.7.2001
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GB/T 4373.1-1984
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Methods for chemical analysis of arsenic--The potassium bromate volumetric method for the determination of arsenic content
WITHDRAWN published on 30.4.1984
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GB/T 4373.2-1984
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Methods for chemical analysis of arsenic--The malachite green photometric method for the determination of antimony content
WITHDRAWN published on 30.4.1984
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GB/T 4373.3-1984
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Methods for chemical analysis of arsenic--The barium sulphate gravimetric method for the determination of sulphur content
WITHDRAWN published on 30.4.1984
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GB/T 4373.4-1984
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Methods for chemical analysis of arsenic--The dithiodiantiphryl methane photometric method for the determination of bismuth content
WITHDRAWN published on 30.4.1984
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GB/T 4374.1-1984
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Methods for chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The neocuproine-extraction photometric method for the determination of copper content
WITHDRAWN published on 30.4.1984
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GB/T 4374.2-1984
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Methods for chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The 1,10-phenan throline photometric method for the determination of iron content
WITHDRAWN published on 30.4.1984
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GB/T 4374.3-1984
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Methods for chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The molybdenum blue photometric method of the determination of silicon content
WITHDRAWN published on 30.4.1984
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GB/T 4374.4-1984
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Methods forchemical analysis of magnesium powders and aluminium-magnesium alloy powders--The fluoride replacement-complexometric method for the determination of aluminium content
WITHDRAWN published on 30.4.1984
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GB/T 4374.5-1984
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Methods for chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The acetone-silver chloride turbidimetric method for the determination of chlorine content
WITHDRAWN published on 30.4.1984
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