Potassium pyrophosphate

Potassium pyrophosphate industry performance standards: ZB / TG ??12006-88 Indicators Unit Premium grade First grade Qualified potassium pyrophosphate (K4P2O7) phosphoric acid content ≥% 96.0 95.0 94.0 iron (Fe) content ≤% 0.03 0.05 0.10 Water-insoluble content ≤ % 0.10 0.20 0.25 PH value (1% solution) - 10.0-10.7 orthophosphate in line with experimental electroplating grade potassium pyrophosphate Executive Standard: HG / T 3591-1999 Indicators Unit plating grade potassium pyrophosphate (K4P2O7) phosphoric acid content ≥% 98.0 Fe (Fe) content ≤% 0.01 water-insoluble content ≤% 0.10 PH value (10g / L solution) - 10.5 ± 0.5 Lead (Pb) content ≤% 0.003 Hull cell test (under Dk≥10 A / dm2 plating) qualified