Sodium Hexametaphosphate(Graham's Salt)
TEST MEANS: GB 1624-79
3 Types:
Excellent : Hydrochloric acid content (as P2O5), %≥68.0, Non-active phosphate content(P2O5), %≤7.5
I Grade: Hydrochloric acid content (as P2O5), %≥67.0, Non-active phosphate content(P2O5), %≤8.0
Acceptable: Hydrochloric acid content (as P2O5), %≥65.0, Non-active phosphate content(P2O5), %≤10.0
Character: Transparent glass sheet or a white crystalline powder. Strong absorption; moisture after the change stick, easily in moist air, easily soluble in water, solubility in water higher, but dissolved slowly; aqueous solution is acidity, easy hydrolysis or phosphate.
Payment Method: L/C, T/T