Chemical formula: KH2PO4
Molecular weight: 136.09
Standard executed: HG/T2321-1992
Properties: White or colorless crystal, easily soluble in water, relative density at 2.338, melting point at 252.6℃, and pH value of 1% water solution is 4.5.
Technical Specifications:
|
No
|
Specification
|
Industrial grade
|
Food grade
|
|
1
|
Main content %≥
|
99.0
|
99.0
|
|
2
|
P2O5 %≥
|
51.50
|
51.50
|
|
3
|
K2O %≥
|
34.0
|
34.0
|
|
4
|
Chloride, as Cl %≤
|
0.2
|
0.02
|
|
5
|
pH of 1% water solution
|
4.4-4.8
|
4.4-4.8
|
|
6
|
Moisture %≤
|
0.20
|
0.20
|
|
7
|
Heavy metal, as Pb %≤
|
-
|
0.001
|
|
8
|
Arsenic, as As %≤
|
-
|
0.0003
|
|
9
|
Fluoride ,as F %≤
|
-
|
0.002
|
|
10
|
Water insoluble %≤
|
0.10
|
0.05
|
Application: Used to manufacture metaphosphate in medical or food industry. Used as a high effective K and P compound fertilizer. It contains totally 86% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.
Packaging: Plastic-woven sack with polythene inner bag.Net weight: 25kg, 50kg or 1000kg. Stored in ventilated and dry place.
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