GB - Chinese national standards - Page 8736

Standards GB - Chinese national standards - Page 8736

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GB 7869-1987 WITHDRAWN

Calculation of soil alkalinity

WITHDRAWN published on 1.1.1987

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238.80 USD


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GB/T 787-1974 WITHDRAWN

Dimensions of electronic tube bases

WITHDRAWN published on 23.10.1974

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GB 7870-1987 WITHDRAWN

Determination of calcium carbonate in forest soil

WITHDRAWN published on 1.1.1987

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238.80 USD


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GB 7871-1987 WITHDRAWN

Analysis methods of water soluble salt of forest soil

WITHDRAWN published on 1.1.1987

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910.80 USD


in 5 working days
GB 7872-1987 WITHDRAWN

Extraction of soil clay of forest soil

WITHDRAWN published on 1.1.1987

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286.80 USD


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GB 7873-1987 WITHDRAWN

Total (mineral silica, iron, aluminium, titanium, manganese, calcium, magnesium, phosphorus)analysis methods of forest soil

WITHDRAWN published on 1.1.1987

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814.80 USD


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GB 7874-1987 WITHDRAWN

Determination of total potassium and total sodium in forest soil

WITHDRAWN published on 1.1.1987

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238.80 USD


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GB 7875-1987 WITHDRAWN

Determination of total sulphur in forest soil

WITHDRAWN published on 1.1.1987

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238.80 USD


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GB 7876-1987 WITHDRAWN

Determination of ignition loss in forest soil

WITHDRAWN published on 1.1.1987

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238.80 USD


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GB 7877-1987 WITHDRAWN

Determination of available boron in forest soil

WITHDRAWN published on 1.1.1987

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238.80 USD


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