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SODIUM ACID PYROPHOSPHATE(FOOD GRADE)

I. Chemical Name: SODIUM ACID PYROPHOSPHATE(FOOD GRADE)

Ⅱ. Molecular formula: Na2H2P2O7

Ⅲ. Molecular Weight: 221.94

IV. Properties: white powder, Relative density 1.86, hygroscopic, Aq. solution is acidic, PH of 1% Aq. solution is 4±0.5.

V. Quality Standard:

Index name GB 25567-2010
Assay (as Na2H2P2O7) ≥% 93.0-100.5
As ≤% 0.0003
Heavy metals (as Pb) ≤% 0.001
F≤% 0.005
PH value(10g/L Solution ) 4.0±0.5
Pb ≤% 0.0002
Water insoluble ≤% 1.0


VI. Packing: PE bag lined composite plastic woven bag, Net wt 25KG.

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