| ≥1 piece |
|
Item |
Limit |
Test result |
|
Material |
Cornstarch |
Cornstarch |
|
Appearance |
White or colorless crystal |
Passed |
|
Assay(%) |
≥ 99.0 |
99.2 |
|
State of solution (transmittance) (%) |
≥ 98.0 |
98.4 |
|
Chloride(cl - ) (%) |
≤ 0.1 |
<0.1 |
|
Sulfate(so 4 2- ) ( % ) |
≤ 0.05 |
<0.05 |
|
Iron(Fe) mg/kg |
≤ 5 |
1 |
|
Heavy metals(pb 2+ ) mg/kg |
≤ 1 |
<1 |
|
Arsenic(AS 2 O 3 ) mg/kg |
≤ 0.5 |
<0.5 |
|
Loss on drying (%) |
≤ 0.5 |
0.21 |
|
Specific rotation[ α ] D 20 |
+24.8 ° ~+25.3 ° |
25.0 ° |
|
PH |
6.7~7.2 |
7.0 |