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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 4213-2011 |
Phosphorus oxychloride for industrial use. Determination of iron content. Spectrophotometric method 工业用三氯氧磷 铁含量的测定 分光光度法 |
China Chemical Industry
Standards Phosphorus oxychloride industrial |
 English PDF |
| HG/T 4212-2011 |
Phosphorus oxychloride for industrial use-determination of heavy metal content-visual colorimetry 工业用三氯氧磷 重金属含量的测定 目视比色法 |
China Chemical Industry
Standards Phosphorus oxychloride industrial |
English PDF |
| HG/T 4211-2011 |
Phosphorus oxychloride for industrial use. Determination of arsenic content. Arsenic spot method 工业用三氯氧磷 砷含量的测定 砷斑法 |
China Chemical Industry
Standards Phosphorus oxychloride industrial |
English PDF |
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