ITEM

SPECIFICATION

RESULT

METHODS

1.Assay (Dried basis):

97.0%~102.0%

99.0%

HPLC

2.Other Saccharide:

Not detectable

Complies

Chromatographically

3.Appearance:

White crystal powder

Complies

4.Melting point:

80.0⁰C-90.0⁰C

Complies

5.Loss On Drying:

1.0% max

0.45%

6.State of solution:

95% min

99.1%

7.Specific rotation:

-18.0⁰ to -22.0⁰

-19.8⁰

8.Residue on ignition:

0.2% max

0.09%

9.Heavy Metals:

10ppm max

Complies

10.Arsenic (AS 2 O 3 ):

2ppm max

Complies