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Standards GB - Chinese national standards - Page 6081
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 14640-2008
WITHDRAWN
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Water used in industrial circulating cooling system and boiler—Determination of potassium and sodium
WITHDRAWN published on 1.4.2008
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GB/T 14641-1993
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Industrial circulating cooling water—Determination of sodium—Atomic absorption spectrometric method
WITHDRAWN published on 6.8.1993
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GB/T 14642-1993
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Industrial circulating cooling water and boiler water—Determination of fluoride,chloridephosphatenitrilenitrate and sulfate—Ion chromatography
WITHDRAWN published on 6.8.1993
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GB/T 14643.1-1993
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Industrial circulating cooling water—Examination of bacteria formed deposits—Standard of plate count
WITHDRAWN published on 6.8.1993
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GB/T 14643.2-1993
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Industrial circulating cooling water—Examination of soil micro-bioti—Standard of plate count
WITHDRAWN published on 6.8.1993
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GB/T 14643.3-1993
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Industrial circulating cooling water—Examination of slime formed fungi—Standard of plate count
WITHDRAWN published on 6.8.1993
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GB/T 14643.4-1993
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Industrial circulating cooling water—Examination of soil fangi—Srandard of plate count
WITHDRAWN published on 6.8.1993
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GB/T 14643.5-1993
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Industrial circulating cooling water—Sulfate-reducing bacteria—MPN test
WITHDRAWN published on 6.8.1993
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GB/T 14643.6-1993
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Industrial circulating cooling water—Examination of iron bacteria—MPN test
WITHDRAWN published on 6.8.1993
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GB/T 14644-1993
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Textile fabrics—Burning behaviour—The 45°test determination of flame spread rate
WITHDRAWN published on 21.9.1993
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