Index |
Pharmaceutical grade cp2005 |
Food grade 2023-2003 |
Color(APHA) |
/ |
≤150 |
Content % |
85-90 |
80-90 |
Chloride% |
≤0.002 |
≤0.002 |
Sulfate % |
≤0.01 |
≤0.005 |
Iron salt% |
≤0.001 |
≤0.001 |
Ignition residue% |
≤0.1 |
≤0.1 |
Arsenic (mg/kg) |
≤1 |
≤1 |
Heavy metal(in Pb)/(mg/kg) |
≤10 |
≤10 |
Calcium salt |
Muddy is not allowed |
Qualified |
Solubility in ether |
/ |
Qualified |
Citric acid, oxalic acid, phosphoric acid, tartaric acid |
.Muddy is not allowed |
Qualified |
Reducing sugar |
Red sediment is not allowed |
Qualified |
Cyanidemg/kg |
/ |
≤5 |
Readily carbonizable substance |
Darker than light yellow is not allowed |
/ |
Packing |
25kg or 250kg plastic drum |