|
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
|
