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Appearance
|
Colorless deliquescent crystals / White crystalline powder
|
|
Assay (Titration after Ion exchange)
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Min 99%
|
|
pH (5% solution in water; 25°C)
|
5.5 - 8.3
|
|
Insoluble matter
|
Max 0.005%
|
|
Chloride (Cl)
|
Max 0.001%
|
|
Iodate (IO3)
|
Max 0.0005%
|
|
Nitrite (NO2)
|
Max 0.001%
|
|
Phosphate (PO4)
|
Max 0.0005%
|
|
Sulphate (SO4)
|
Max 0.003%
|
|
Calcium (Ca)
|
Max 0.005%
|
|
Magnesium (Mg)
|
Max 0.002%
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Iron (Fe)
|
Max 0.0003%
|