potassium phosphate
molecular formula: KH2PO4 molecular weight136.09
performance characteristic: rhombic cry
potassium phosphate
molecular formula: KH2PO4 molecular weight136.09
performance characteristic: rhombic crystal in leuko color or white luster, it is soluble, aqueous solution presents acid reaction, it can absorb dampness and has deliquescence, and it can not be solved in acid.
Use: It is used in urine acidification, nutritional agent, synthesis sahi flavoring agent, germiculture, brewing barm agents and so on.
Products quality: abide by the ZH1999-08 standard.
Item | Industry | Agriculture | ||
First-class products | Conforming products | First-class products | Conforming products | |
Quantity of monopotassium phosphateKH2PO4is calculated by dry basis ≥ | 99.0 | 97.0 | 96.0 | 92.0 |
moisture ≤ | 2.5 | 3.0 | 4.0 | 5.0 |
PH value | 4.3---------4.7 | 4.3---------4.7 | ||
Insoluble in water ≤ | 0.2 | 0.5 |
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ChloridCLquantity ≤ | 0.2 |
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FerrumFequantity ≤ | 0.003 |
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ArsenicAsquantity ≤ | 0.005 |
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Heavy metalcalculated byPb ≤ | 0.005 |
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OxideK2O calculated by dry basis≥ | 33.9 | 33.5 | 33.2 | 31.8 |
