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Appearance
|
A clear fuming liquid, not more than 10 hazen units in colour
|
|
Assay (acidimetric)
|
36.5 - 38.0%
|
|
Non-volatile matter
|
Max 0.001%
|
|
Free chlorine (CI)
|
Max 0.0002%
|
|
Sulphate (SO4)
|
Max 0.0005%
|
|
Sulphite (as SO3)
|
Max 0.0001%
|
|
Aluminium (Al)
|
Max 0.00005%
|
|
Ammonium (NH4)
|
Max 0.0003%
|
|
Arsenic (As)
|
Max 0.000002%
|
|
Copper (Cu)
|
Max 0.00001%
|
|
Iron (Fe)
|
Max 0.00004%
|
|
Lead (Pb)
|
Max 0.00005%
|