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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 13748.9-2013 |
Chemical analysis methods of magnesium and magnesium alloys - Part 9：Determination of iron content - Orthopenanthroline spectrophotometric method 镁及镁合金化学分析方法 第9部分：铁含量测定 邻二氮杂菲分光光度法 |
China National Standards Orthopenanthroline |
 English PDF |
| GB/T 20975.4-2008 |
Methods for chemical analysis of aluminium and aluminium alloys - Part 4：Determination of iron content Orthopenanthroline photometric method 铝及铝合金化学分析方法 第4部分：铁含量的测定 邻二氮杂菲分光光度法 |
China National Standards Orthopenanthroline |
English PDF |
| GB/T 20931.4-2007 |
Methods for chemical analysis of lithium - Determination of iron content - Orthopenanthroline spectrophotometric method 锂化学分析方法 铁量的测定 邻二氮杂菲分光光度法 |
China National Standards Orthopenanthroline |
English PDF |
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