ITEM
|
STANDARD
|
STANDARD
|
CONTENT%
|
≥ 90.0
|
≥ 85.0
|
Chloride(Cl-) %
|
≤ 0.003
|
≤ 0.005
|
Sulphate (SO42-) %
|
≤ 0.001
|
≤ 0.002
|
Iron(Fe3+) %
|
≤ 0.0001
|
≤ 0.0005
|
Residue %
|
≤ 0.006
|
≤ 0.020
|