Food Chemicals Codex ( III ) |
|
Item |
Standard |
Identification A |
Ok |
Assay % |
98.0 ~ 99.5 |
As ≤% |
0.0003 |
Heavy metals ( as Pb ) ≤% |
0.002 |
Pb ≤% |
0.001 |
Residue on ignition ≤% |
0.1 |
Moisture ≤% |
0.5 |
1,4-dioxan |
Ok |