Appearance
|
White to Off-White or Pale Yellow Crystals or Crystalline Powder and/or Chunks
|
Assay
|
99.5 - 100.2%
|
Insoluble matter in water
|
Passes test
|
Sulphated ash
|
Max 0.05%
|
Chloride & bromide (as Cl)
|
Max 0.01%
|
Iodide (I)
|
Max 0.0005%
|
Nitrogen compounds (as N)
|
Max 0.005%
|
Sulphate (SO4)
|
Max 0.02%
|
Copper (Cu)
|
Max 0.001%
|
Iron (Fe)
|
Max 0.001%
|
Lead (Pb)
|
Max 0.001%
|