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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 8574-2010 |
Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method 复混肥料中钾含量的测定 四苯硼酸钾重量法 |
China National Standards tetraphenylborate |
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