|
TECHNICAL STANDARD |
|
|
PURITY % |
85% min |
|
Density |
1.2 |
|
COLOUR INDEX |
10 max |
|
CHLORIDE % |
0.005 max |
|
SULFATE % |
0.002max |
|
FE % |
0.0005 max |
|
EVAPORATION RESIDUE |
0.020 max |
