Item

Specification

Grade

Food grade

Result

Colour

≦20

≤20

H3PO4? content

≥85.0

85.02

Arsenic

≤0.0001

＜0.0001

Heavy Metal

≤0.001

0.001

Chlorid

≤0.0005

0.0001

sulfate

≤0.005

0.004

Oxid

≤0.012

0.007