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Standards GB - Chinese national standards - Page 6221
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 16480.1-1996
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Method for chemical analysis of yttrium and yttrium oxide—Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxi, thulium oxide, ytterbium oxide and lutecium oxide contents
WITHDRAWN published on 9.7.1996
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GB/T 16480.2-1996
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Methods for chemical analysis of yttrium and yttrium oxide—Determination of tantaium, titanium, copper and nickel content
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GB/T 16480.3-1996
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Method for chemical analysis of yttrium and yttrium oxide—Determination of fluorine content
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GB/T 16480.4-1996
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Methods for chemical analysis of yttrium and yttrium oxide—Determination of sulphur content
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GB/T 16480.5-1996
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Method for chemical analysis of yttrium and yttrium oxide—Determination of nitrogen content
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GB/T 16481-1996
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Standard spectrum tables of microwave plasma torch-atomic emitting spectrum of rare earth
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GB/T 16482-1996
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Yttrium-europium oxide—Phosphor grad
WITHDRAWN published on 9.7.1996
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GB 16483-2000
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General rules for preparation of chemical safety data sheet
WITHDRAWN published on 5.1.2000
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GB/T 16484.1-1996
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Methods for chemical analysis of rare earth chloride and carbonate—Determination of cerium oxide content
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GB/T 16484.10-1996
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Methods for chemical analysis of rare earth chloride and carbonate—Determination of manganese oxide content
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