|
|
Item |
Specifications |
|
Appearance |
White crystal powder |
|
Identification |
Positive |
|
Loss on drying |
0.5% max |
|
Residue of ignition |
0.1% max |
|
Chloride |
0.005% max |
|
Sulfates |
0.006% max |
|
Oxalate |
Negative |
|
Heavy metal |
0.0025% max |
|
Ferric salt |
0.0005% max |
|
Melting point |
224-2270C |
|
Content |
99.5% min | |
|