China National Standards

China catechol GB Standards List


  •  China "catechol" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 6730.34-2017 Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
    铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
    China National Standards
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    GB/T 12688.8-2011 Test method of styrene for industrial use - Part 8:Determination of content of inhibitor(p-tert-butylcatechol)- Spectrophotometric method
    工业用苯乙烯试验方法 第8部分:阻聚剂(对-叔丁基邻苯二酚)含量的测定 分光光度法
    China National Standards
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    GB/T 23960-2009 catechol for industrial use
    工业用邻苯二酚
    China National Standards
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    GB/T 6020-2008 Butadiene for industrial use - Determination of tert-butyl-catechol (TBC)
    工业用丁二烯中特丁基邻苯二酚(TBC)的测定
    China National Standards
    catechol

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    GB/T 13748.2-2005 Chemical analysis methods of magnesium and magnesium alloys Determination of tin content Pyrocatechol violet spectrophotometric method
    镁及镁合金化学分析方法 锡含量的测定 邻苯二酚紫分光光度法
    China National Standards
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