Food Chemicals Codex ( III )

Item

Standard

Identification A
Identification B
Identification C

Ok
Ok
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