|
Appearance
|
Black powder
|
|
Residue on ignition
|
Max 4.0%
|
|
Acid soluble matter
|
Max 3.5%
|
|
Chloride (Cl)
|
Max 0.2%
|
|
Sulphate (SO4)
|
Max 0.2%
|
|
Sulphide (S)
|
Passes USP test
|
|
Cyanogen compounds
|
Passes USP test
|
|
Uncarbonizale constituents
|
Passes USP test
|
|
Adsorptive Power
|
Passes USP test
|
|
Microbial enumeration tests and tests for specified microorganisms
|
Passes USP test
|
|
Reaction
|
Passes USP test
|
|
Loss on drying (at 120°C; 4 hrs)
|
Max 15.0%
|