|
Appearance
|
Brownish yellow color powder
|
|
Assay (as Bi2O3)
|
52 - 58%
|
|
Solution test
|
Passes test
|
|
Loss on drying (at 105°C)
|
Max 7%
|
|
Nitrate (NO3)
|
Passes test
|
|
Alkalies and alkaline earths (as SO4)
|
Max 0.5%
|
|
Arsenic (As)
|
Max 0.001%
|
|
Copper (Cu)
|
Max 0.001%
|
|
Free galic acid
|
Max 0.5%
|
|
Lead (Pb)
|
Max 0.002%
|