| ≥1 piece |
Appearance: White powder
Product specification:
Item Index
GB17203-1998 USP27 FCC
Ca3(C6H5O7)2%98.0-100.5 97.5-100.5 97.5
Loss on drying%10.0-13.3 10.0-13.3 10.0-13.3
Acid-insoluble substances ¨1%0.2 0.2 .
Heavy metals ¨1 % 0.002 0.002 0.002
Arsenic ¨1 % 0.0003 3 ppm 3 ppm
Lead ¨% 0.0005 0.001 0.001
Fluoride ¨1 % 0.003 0.003 0.003
Clarity of solution . Pass the test -- --
organic volatile impurities . Meets the requirements -- --