|
Appearance
|
White powder
|
|
Infrared spectrum
|
Conforms
|
|
Assay (by titration)
|
Min 97.5 % w/w (as Oxalate) On dry substance
|
|
Loss on drying
|
Max 13.0% (1 g, 200°C, 3 h)
|
|
Insoluble matter in HCl
|
Max 0.3%
|
|
Iron (Fe)
|
Max 0.02%
|
|
Apparent density
|
0.3 to 0.5 g/cm3
|
|
Particle size
|
Min 95 % (Passing through 45 µm)
|