Appearance
|
Clear colorless solution
|
Assay (alkalimetric)
|
80.0 - 82.0%
|
Colour scale
|
Max 10
|
Acetaldehyde (CH3.CHO)
|
Max 0.0002%
|
Formate (HCOO)
|
Max 0.01%
|
Residue on ignition (as SO4)
|
Max 0.0005%
|
Insoluble matter in water
|
Passes test
|
Residue on evaporation
|
Max 0.002%
|
Peroxide (as H2O2)
|
Max 0.0002%
|
Sulphate (SO4)
|
Max 0.0001%
|
Chloride (Cl)
|
Max 0.0001%
|
Substance reducing dichromate (O)
|
Passes test
|
Iron (Fe)
|
Max 0.0004%
|
Heavy metal (as Pb)
|
Max 0.0004%
|