|
Appearance
|
Clear colorless solution***
|
|
Assay
|
64.0 - 66.0%
|
|
Colour scale
|
Max 10 APHA
|
|
Weight/ mL at 20°C
|
1.37 - 1.41 g
|
|
Residue on ignition
|
Max 0.0005%
|
|
Chloride (Cl)
|
Max 0.00005%
|
|
Phosphate and silicate (as SiO2)
|
Max 0.0001%
|
|
Sulphate (SO4)
|
Max 0.0001%
|
|
Arsenic (As)
|
Max 0.000001%
|
|
Copper (Cu)
|
Max 0.00001%
|
|
Iron (Fe)
|
Max 0.00002%
|
|
Heavy metal (as Pb)
|
Max 0.00002%
|
|
Manganese (Mn)
|
Max 0.00004%
|
|
-
|
***May darken during storage as a result of photochemical reactions.
|