Usage:
Mainly used for producing synthetic detergent as synergist for soap, water softener, tanning agent for leather making, As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc., In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans.
Standard:
Item
|
Unit
|
Specification
|
Tech grade
|
Food grade
|
Main content:
|
%
|
94 min
|
94 min
|
Phosphorus pentoxide as P2O5:
|
%
|
57 min
|
57 min
|
Water insoluble:
|
%
|
0.05 max
|
0.05 max
|
Iron as Fe:
|
%
|
0.01 max
|
0.01 max
|
Ph of 1% water solution:
|
-
|
9.2-10.0
|
9.2-10.0
|
Heavy metal as Pb:
|
%
|
--
|
0.001 max
|
Arsenic as As:
|
%
|
--
|
0.0003 max
|
Fluoride as F:
|
%
|
--
|
0.003 max
|
Size(through 1.00mm sieve)
|
%
|
95 min
|
95 min
|
Whiteness
|
%
|
90 min
|
90 min
|
|