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Potassium dihydrogen phosphate

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Time:2018-04-07 20:24:28   
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Detailed introduction:
Detailed introduction:

Chemical formula: KH2PO4
Molecular weight: 136.09
Executive Standard: HG2321-1992
Properties: White or colorless crystals, relative density 2.338, melting point 252.6°C, soluble in water, pH value of 1% aqueous solution is 4.5.

Technical indicators:

 No.  Index name  Industrial grade  Gifted class
 1  Main content (in KH2PO4)       %≥  99.0  99.0
 2  P2O5                                          %≥  51.50  51.50
 3  K2O                                           %≥  34.0  34.0
 4  Chloride (measured as Cl)       %≤  0.2  0.02
 5  pH value (1% aqueous solution)  4.4-4.8  4.4-4.8
 6  Water                                        %≤  0.20  0.20
 7  Heavy metal (Pb)                     %≤  -  0.001
 8 Arsenic (calculated as As)         %≤  -  0.0003
 9  Fluoride (in F)                           %≤  -  0.002
 10  Water insoluble matter           %≤  0.10  0.05
Uses: mainly used in medicine, food industry and manufacture of metaphosphate; in agriculture used as a high-efficiency compound fertilizer, the total nutrients K2O + P2O5) is 86%, is the basis for the preparation of N, P, K three yuan compound fertilizer .
Packing: Inner plastic outer packing, net weight 25, 50, 1000Kg per bag, stored in ventilated and dry place.

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