Orthophosphorous acid | Dipotassium hydrogen phosphite--Sino-foreign Joint Venture Rudong Huayun Chemical Co.,Ltd.

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　phosphite

Dipotassium hydrogen phosphite
MF: K₂HPO₃
Quality index

	First grade(%)	Second grade(%)
Assay%	≥96	≥96
sulphate%(as SO₄ )	≤0.8	≤1.2
chloride%(as Cl )	≤0.05	≤0.10
water insoluble matter%	≤0.05	≤0.10
Iron(Fe)%	≤0.005	-
PH	9±0.2	9±0.2

Output 500T/A

orthophosphorous acid

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