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Standards GB - Chinese national standards - Page 146
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 1190-2018
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Technical specification of earth-mover tyres
Standard published on 28.12.2018
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GB/T 11900-1989
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Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt
Standard published on 3.11.1989
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GB/T 11901-1989
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Water quality--Determination of suspended substance--Gravimetric method
Standard published on 3.11.1989
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GB/T 11902-1989
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Water quality--Determination of selenium--Diaminonaphthalene fluorometric method
Standard published on 3.11.1989
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GB/T 11903-1989
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Water quality--Determination of colority
Standard published on 3.11.1989
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GB/T 11904-1989
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Water quality--Determination of potassium and sodium--Flame atomic absorption spectrophotometry
Standard published on 3.11.1989
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GB/T 11905-1989
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Water quality--Determination ofcalcium and magnesium--Atomic absorption spectrophotometric method
Standard published on 3.11.1989
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GB/T 11906-1989
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Water quality--Determination of manganese--Potassium periodate spectrophotometric method
Standard published on 3.11.1989
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GB/T 11907-1989
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Water quality--Determination ofsilver--Flame atomic absorption spectrophotometric method
Standard published on 3.11.1989
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GB/T 11910-1989
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Water quality--Determination of nickel--Dimethylglyoxime spectrophotometric method
Standard published on 3.11.1989
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