NO.

Specifications

Unit

Food Grade

1

Appearance

 white powder or white granular

2

Na2H2P2O7

%

≥95.0  

3

PH

4.0±0.5

4

Water Insoluble  

%

≤1.0

5

Fluoride (as F)  

PPM

≤50  

6

Heavy Metals (as Pb)

PPM

≤15

7

Arsenic (As)

PPM

≤3

8

Loss on ignition(105°C)

%

≤0.5