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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 2957.7-2004 |
Alunite ores potassium and sodium content. The Potassium Tetraphenylborate gravimetric and flame emission spectrophotometry 明矾石矿石中钾和钠含量的测定 四苯硼钾重量法和火焰发射分光光度法 |
China Chemical Industry
Standards Alunite ores potassium |
 English PDF |
| HG/T 2957.7-1984 |
Alunite ores-Determination of potassium and sodium contents-Potassium tetraphenylborate gravimetric method and flame emission spectrophotometric methods |
China Chemical Industry
Standards Alunite ores potassium |
English PDF |
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