|
Appearance
|
A heavy white powder
|
|
Assay
|
Min 99%
|
|
Assay (as PbO; complexometric)
|
Min 33%
|
|
Acid insoluble matter
|
Max 0.02%
|
|
Insoluble matter in water
|
Max 1%
|
|
Chloride (Cl)
|
Max 0.003%
|
|
Nitrate (NO3)
|
Max 0.002%
|
|
Calcium (Ca)
|
Max 0.01%
|
|
Copper (Cu)
|
Max 0.001%
|
|
Iron (Fe)
|
Max 0.002%
|
|
Potassium (K)
|
Max 0.02%
|
|
Sodium (Na)
|
Max 0.05%
|
|
Loss on drying (at 105°C)
|
Max 1%
|