Appearance
Taste
Identification(A,B,C,D)
Melting Range
Assay
Loss on Drying
Residue on Ignition
Chloride
Sulphate
Calcium
Iron
Total Heavy metal
Arsenic
Cadmium
Lead
Mercury

White crystalline powder
Sweet
Positive
224.0-227.0°C
98.0% Min.
0.5% Max.
0.1% Max.
0.005% Max.
0.006% Max.
Passes test
0.0005% Max.
10 ppm Max.
Not more than 3mg/kg.
0.1 ppm Max.
Not more than 4mg/kg.
0.1 ppm Max.