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GB - Chinese national standards - Page 7626

Standards GB - Chinese national standards - Page 7626

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 4373.4-1984 30.4.1984
GB/T 4373.4-1984 WITHDRAWN

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WITHDRAWN published on 30.4.1984

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Preview GB/T 4374.1-1984 30.4.1984
GB/T 4374.1-1984 WITHDRAWN

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WITHDRAWN published on 30.4.1984

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Preview GB/T 4374.2-1984 30.4.1984
GB/T 4374.2-1984 WITHDRAWN

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

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Preview GB/T 4374.3-1984 30.4.1984
GB/T 4374.3-1984 WITHDRAWN

Methods for chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The molybdenum blue photometric method of the determination of silicon content

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Preview GB/T 4374.4-1984 30.4.1984
GB/T 4374.4-1984 WITHDRAWN

Methods forchemical analysis of magnesium powders and aluminium-magnesium alloy powders--The fluoride replacement-complexometric method for the determination of aluminium content

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Preview GB/T 4374.5-1984 30.4.1984
GB/T 4374.5-1984 WITHDRAWN

Methods for chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The acetone-silver chloride turbidimetric method for the determination of chlorine content

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Preview GB/T 4374.6-1984 30.4.1984
GB/T 4374.6-1984 WITHDRAWN

Methods for chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The gravi-metric method for the determination of hygroscopic moisture content

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Preview GB/T 4374.7-1984 30.4.1984
GB/T 4374.7-1984 WITHDRAWN

Methods for chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The gravimetric method for the determination of insoluble content in hydrochloric acid

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Preview GB/T 4374.8-1984 30.4.1984
GB/T 4374.8-1984 WITHDRAWN

Methodsfor chemical analysis of magnesium powders and aluminium-magnesium alloy powders--The gaso-metric method for the determination of active magnesium and active aluminium-magnesium contents

WITHDRAWN published on 30.4.1984

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Preview GB/T 4375.1-1984 30.4.1984
GB/T 4375.1-1984 WITHDRAWN

Methods for chemical analysis of gallium--The 29-dimethyl-47-diphenyl-110-phenanthroline photometric method for the determination of copper content

WITHDRAWN published on 30.4.1984

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