|
|
Item |
Specification USP32/NF27 |
|
Identification |
Meets the requirements |
|
Appearance |
White crystals |
|
Assay |
98.5-101%min |
|
Other polyols |
1.5%max |
|
Loss on drying |
0.20%max |
|
Residue on ignition |
0.02% max |
|
Reducing sugars |
0.2%max |
|
Heavy metal |
2.5ppm max |
|
Arsenic |
0.5ppm max |
|
Nickel |
1ppm max |
|
Lead |
0.5ppm max |
|
Sulfate |
50ppm max |
|
Chloride |
50ppm max |
|
Melting point |
92-96 ℃ |
|
PH |
5-7 |
|
Total plate count |
50 cfu/g max |
|
Coliform |
Negative |
|
Yeast and mold |
10 cfu/g max | |
|
