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| 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 catechol |
 English PDF |
| 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 catechol |
English PDF |
| GB/T 23960-2009 |
catechol for industrial use 工业用邻苯二酚 |
China National Standards catechol |
English PDF |
| 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 |
English PDF |
| 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 catechol |
English PDF |
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