White colourless crystals
|
APPEARANCE
|
White colourless crystals
|
|
Assay
|
98.0% - 101.0%
|
|
Ph
|
5.5-7.5
|
|
Sulfate
|
≤500PPM
|
|
HEAVY METALS
|
≤10ppm(as pb)
|
|
LOSS ON DRYING
|
≤0.5%
|
|
Aniline
|
≤1PPM
|
|
cardmium
|
≤2PPM
|
|
mercur
|
≤2PPM
|
|
chromium
|
≤2PPM
|
|
ARSENIC (As)
|
≤3PPM
|
|
Lead (Pb)
|
≤1PPM
|
|
SELENIUM(SE)
|
≤30PPM
|
|
CYCLOHEXYLAMINE
|
≤10ppm
|
|
DICYCLOHEXYLAMINE
|
qualified
|
|
transparency
|
≥95.0%
|
