产品描述

Appearance    White Crystals or crystalline powder
Identification    Chemical Method or IR or HPLC
Appearance of Solution    Clear and Colourless
Specific Roatation    -29°～-32°
PH    5.5-9.5
Water Content =< %    1
Assay %    97.0～103.0
Residue on Ignition =< %    0.1
Residue Ethanol =< %    0.5
Heavy Metals =< PPM    10
Arsenic  =< PPM    1
Chloride =< %    0.4
Lead =< PPM    3
Mercury =< PPM    0.1
Cadmium =< PPM    1
Total Plate Count =<    1000cfu/g
Yeast & Mold =<    100cfu/g
E. Coli    Negative
Salmonella    Negative