Chentianfang at brightcn.Net
Molecular formula: Na2H2P2O7
Molecular weight: 221. 94
Properties: white solid powder
Quality index:
|
Item
|
Unit
|
Standard value
|
|
Assay
|
%
|
≥95. 0
|
|
Fluoride (as F)
|
ppm
|
≤ 50
|
|
As (as As)
|
ppm
|
≤ 3
|
|
Heavy metals(as Pb)
|
ppm
|
≤ 15
|
|
water insoluble matter
|
%
|
≤ 1. 0
|
|
pH (1%Aq. Solution)
|
-
|
4. 0±0
|
1, Used in food industry as fleet ferment agent , quality modifier , etc.
2, As fleet ferment agent, it can symthesize the acidic content of loosening agent in cakes.
3, Combinated with other phosphates as water keeping agent used in cooked ham, canned meat and noodles. Packing: 25KG/ woven bag or film coated paper bag.