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Appearance White powder Measure up
Content (CaHPO4•2H2O) % 98.0-103.0 99.5
Heavy metals(As Pb) % =0.001 <0.001
Fluoride % =0.005 <0.005
Chloride % =0.03 <0.001
Acid insoluble % =0.05 <0.05
Loss on ignition % 24.5-26.5 25.2
As % =0.0001 <0.0001
Conclusion In compliance with the standard of GB1889-92