产品描述

Appearance    White crystal
Taste    Typically sweet with no foreign taste
Odour    No foreign odours
Assay    99%-101%
Related products    =<1%
Water content    =<0.5%
Reducing sugar    =<0.1%
Specific rotation    +105.5°～ +108.5°
Melting point    148℃--151℃
Chloride    =<50 ppm
Sulfate    =<100 ppm
Lead    =<0.5 ppm
Nickel    =<0.5 ppm
Arsenic    =<0.5 ppm
Heavy metals    =<10 ppm
Sulfated ash    =<0.1%
Conductivity    =<20us/cm
Viable counts    =<20cfu/g
Yeast    =<10cfu/g
Moulds    =<10cfu/g
Coliform organisms    Negative in 25g