|
Appearance
|
A clear colorless liquid
|
|
Assay (alkalimetric)
|
48.0-51.0%
|
|
Sulphate and Sulphite (as SO4)
|
Max 0.0005%
|
|
Phosphate (PO4)
|
max 0.0001%
|
|
Fluorosilicic acid (H2SiF6)
|
max 0.01%
|
|
Residue on ignition
|
max 0.0005%
|
|
Chloride (Cl)
|
Max 0.0005%
|
|
Iron (Fe)
|
Max 0.0001%
|
|
Heavy metal (as Pb)
|
max 0.00005%
|
|
Arsenic (As)
|
Max 0.000005%
|
|
Copper (Cu)
|
Max 0.00001%
|