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GB - Chinese national standards - Page 7729

Standards GB - Chinese national standards - Page 7729

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 3884.15-2014 5.12.2014
GB/T 3884.15-2014 WITHDRAWN

Methods for chemical analysis of copper concentratesPart 15Determination of iron contentPotassium dichromate titration method

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Preview GB/T 3884.18-2014 5.12.2014
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Methods for chemical analysis of copper concentrates—Part 18:Determination of arsenic,antimony,bismuth,lead,zinc,nickel,cadmium,cobalt,magnesium oxide,calcium oxide contents—Inductively coupled plasma atomic emission spectrometry

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Preview GB/T 3884.2-2000 16.2.2000
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Methods for chemical analysis of copper concentrates—Determination of gold and silver content

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Preview GB/T 3884.2-2012 31.12.2012
GB/T 3884.2-2012 WITHDRAWN

Methods for chemical analysis of copper concentrates - Part 2: Determination of gold and silver contents - Flame atomic absorption spectrmetric method and fire assay method

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IN STOCK
Preview GB/T 3884.3-2000 16.2.2000
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Methods for chemical analysis of copper concentrates—Determination of sulfur content

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Preview GB/T 3884.4-2000 16.2.2000
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Methods for chemical analysis of copper concentrates—Determination of magnesium oxide content

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Preview GB/T 3884.4-2012 31.12.2012
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Methods for chemical analysis of copper concentrates - Part 4: Determination of magnesium oxide content - Flame atomic absorption spectrophotometry method

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Preview GB/T 3884.5-2000 16.2.2000
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Methods for chemical analysis of copper concentrates—Determination of fluorine content

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Preview GB/T 3884.6-2000 16.2.2000
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Methods for chemical analysis of copper concentrates—Determination of lead, zinc, cadmium and nickel contents

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Preview GB/T 3884.6-2012 31.12.2012
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Methods for chemical analysis of copper concentrates - Part 6: Determination of lead,zinc,cadmium and nickel content - Flame atomic absorption spectrometry method

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