|
Appearance
|
Clear colorless solution***
|
|
Assay
|
59.0 - 61.0%
|
|
Weight/ mL at 20°C
|
about 1.37 g
|
|
Non - volatile matter
|
Max 0.01%
|
|
Hydrochloric acid (HCI)
|
Max 0.005%
|
|
Sulphuric acid (H2SO4)
|
Max 0.01%
|
|
Arsenic (As)
|
Max 0.0001%
|
|
Iron (Fe)
|
Max 0.005%
|
|
Lead (Pb)
|
Max 0.0005%
|
|
-
|
***May darken during storage as a result of photochemical reactions.
|