|
Items
|
Specification
|
Result
|
|
APPEARANCE
|
White or almost white powder
|
Conform
|
|
CONTENT OF LA (HPLC)
|
97% Min
|
97.3%
|
|
Loss on drying
|
1.0% Max
|
0.1%
|
|
RESIDUE ON IGNITION
|
1.0% Max
|
0.3%
|
|
CONTENT OF METALLIC IMPRITIES
|
10 ppm Max
|
<5 ppm
|
|
AEROBIC PLATE COUNT (CFU/g)
|
500 Max
|
<10
|
|
MOULDS AND YEASTS COUNT (CFU/g)
|
100 Max
|
<10
|
|
RESIDUAL ETHANOL SOLVENT
|
0.1% Max
|
Not detected
|
|
RESIDUAL SOLVENT OF ACETONE
|
0.1% Max
|
Not detected
|
|
MELTING POINT
|
82 ºC~84 ºC
|
83ºC~83.5ºC
|
|
SOLUBILITY
|
INSOLUBLE IN WATER AND GLYCEROL, SLIGHTLY SOLUBLE IN ETHANOL
|
Conform
|
|
ODOR
|
FAINT CHARACTERISTIC ODOR
|
Conform
|
|
pH(25ºC)
|
3.5-5.0
|
4.4
|