| ≥1 piece |
|
Appearance:
|
white crystal powder
|
|
Purity:
|
98.5%min.
|
|
Moisture:
|
0.5%,1%,15%
|
|
Ammonium:
|
0.0025%max.
|
|
Heavy
|
metal:0.001% max.
|
|
Arsenous
|
salt:0.0002% max.
|