Analysis
|
Specification
|
Result
|
Test method
|
Assay(C6H8O6)
|
99.0% Min
|
99.6%
|
GB14754-2010
|
Appearance
|
White to yellowish crystalline powder
|
White Powder
|
Visual
|
Identification
|
Positive
|
Positive
|
TLC
|
Specific rotation
|
+20.5~+21.5
|
+20.9
|
GB14754-2010
|
Residue on ignition
|
0.10% Max
|
0.02%
|
5g/105ºC/2hrs
|
Heavy metals
|
10mg/kg Max
|
<10mg/kg
|
AAS
|
Arsenic(As)
|
3mg/kg Max
|
<3mg/kg
|
AAS
|
Lead(Pb)
|
2mg/kg Max
|
<2mg/kg
|
AAS
|
Mercury(Hg)
|
2mg/kg Max
|
<2mg/kg
|
AAS
|
Cuprum(Cu)
|
5mg/kg Max
|
<5mg/kg
|
GC
|
Total arsenic( as As)
|
0.2% Max.
|
Negative
|
|
Pb
|
0.1% Max.
|
Negative
|
|
Cu
|
5.0% Max.
|
Negative
|
|
Total Plate Counts
|
3000 cfu/g Max.
|
10 cfu/g Max.
|
|
E. coli
|
30 cfu/g Max.
|
0.3 cfu/g Max.
|
|
Mold & Yeast
|
50 cfu/g Max.
|
10 cfu/g Max.
|
|
Staphylococcus aureus
|
Negative
|
Negative
|
|
Salmonella
|
Negative
|
Negative
|
|
Shigella
|
Negative
|
Negative
|