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Appearance
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White crystalline powder
|
|
Assay (by HClO4 titration)
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Min 99%
|
|
UV absorbance (at 250 nm; 20 g/l; 1 cm; water)
|
Max 0.05
|
|
Chloride (Cl)
|
Max 0.005%
|
|
Sulphate (SO4)
|
Max 0.005%
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Sodium (Na)
|
Max 0.01%
|
|
Loss on drying (at 105°C)
|
Max 1%
|