|
Appearance
|
A clear, oily liquid
|
|
Assay (alkalimetric)
|
Min. 32%
|
|
Chloride (Cl)
|
Max. 0.0002%
|
|
Nitrate (NO3)
|
Max. 0.0005%
|
|
Heavy metal (as Pb)
|
Max. 0.0005%
|
|
Ammonium (NH4)
|
Max. 0.0005%
|
|
Arsenic (As)
|
Max. 0.00001%
|
|
Iron (Fe)
|
Max. 0.0002%
|
|
Substance reducing KMnO4 (as O)
|
Max. 0.0002%
|
|
Residue on ignition
|
Max. 0.005%
|