I. Chemical Name: Potassium pyrophosphate
. Molecular formula: K4P2O7
. Molecular Weight: 330.35
IV. Properties: white crystal or crystalline powder or granules, hygroscopic, Melting point 1109, ph of 1% Aq. solution is 10.5.
V. Quality Standard:
Index name GB 25562-2010 FCC-V
Assay % 95.0 95.0
Water insoluble % 0.10 0.10
Heavy metals (as pb) % 0.001 0.001
As % 0.0003 0.0003
Fluoride (F)% 0.001 0.001
Pb % 0.0002 0.0002
pH(10g/LSolution) 10.5±0.5
VI. Packing: PE bag lined composite plastic woven bag, Net wt 25KG.
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