Appearance White or slightly yellow crystals
Assay by HPLC 99% min
Specific Rotation -18.0 to -22.00 =4,H2O
Order taste Characteristic
Loss on drying Not more than 3.00%
State of solution Clear and colorless 95%
Total Ash Not more than 4.00%
Heay Metals
As
Pb
Cd
Hg
Sum
Not more than 3.0 ppm
Not more than 8.0ppm
Not more than 0.5ppm
Not more than 0.5ppm
Not more than 20ppm
Aflatoxins
B1
Sum of B1+B2+G1+G2
Not more than 5ppb
Not more than 10ppb
Microbiological quantity
Total plate count
Yeast &Mold
E.Coli.
Salmonella PH.Eur.category 3A
Not more than 1000cfu/g
Not more than1000cfu/g
Negative
Negative