Appearance: white odorless granular or powder
CAS : 7758-29-4
MAIN CONTENT,…………………………………………94% MIN.
P2O5, ………………………………………………………57% MAX.
CHLORIDES……………………………………………….0.025% MAX.
SULPHATES………………………………………………. 0.4% MAX.
HEAVY METAL (Pb)………………………………………. 0.001% MAX.
As…………………………………………………………… 0.0003% MAX.
FLUORIDES……………………………………………... 0.003% MAX.
PH VALUE (1% WATER SOLUTION)……………………9.5-10.0
RESIDUES ON 1.00mm SIEVE………………………….5.0% MAX
WHITENESS……………………………………………….85 MIM.
INSOLUBLE MATTER IN WATER……………………….. 0.05% MAX