Phosphoric Acid / Powder and Liquid

No.

Index

Tech. Grade

Food Grade

1

Appearance

Colorless, transparent syrupy liquid or very light color

2

Colour ≤

30

20

3

Assay (as H3PO4 )% ≥

85.0

85.0

4

Chloride(as Cl -) % ≤

0.0005

0.0005

5

Sults(asSO42- )%≤

0.003

0.005

6

Iron (Fe)% ≤

0.002

7

Arsenic (As)%

0.005

0.0001

8

Heavy metals(as Pb)%≤

0.001

0.001

9

Oxidable matter (asH3PO4)% ≤

0.012

10

Fluoride (as F)%≤

0.001