|
Appearance
|
White powder
|
|
Assay
|
98 - 105%
|
|
Identifications
|
To comply IP tests
|
|
Acid insoluble matter
|
Max 0.1%
|
|
Arsenic (As)
|
Max 0.001%
|
|
Heavy metal (as Pb)
|
Max 0.004%
|
|
Barium (Ba)
|
To comply IP tests
|
|
Iron (Fe)
|
Max 0.04%
|
|
Chloride (Cl)
|
Max 0.125%
|
|
Carbonate (as CO2)
|
To comply IP tests
|
|
Sulphate (SO4)
|
Max 0.5%
|
|
Nitrate (NO3)
|
To comply IP tests
|
|
Fluoride (F)
|
Max 0.005%
|
|
Reducing substance
|
To comply IP tests
|
|
Proteinous impurities
|
To comply IP tests
|
|
Moncalcium & tricalcium phosphates
|
To comply IP tests
|
|
Loss on ignition (at 500°C)
|
6.5-8.5%
|