Item |
Standard |
Results |
Appearance |
Colorless to slight yellowish liquid |
Conforms |
Odor |
No special smell or slightly characteristic smell |
Conforms |
Content |
80.0%min |
80.35% |
Stereo chemical purity(L-isomer) |
97.0%min |
99.3% |
Color, |
70-100 |
<85 |
Residue on ignition, % |
≤0.1 |
<0.1 |
Sulfates, ppm |
≤50.0 |
<50.0 |
Chlorides, ppm |
≤20.0 |
<20.0 |
Iron, ppm |
≤10.0 |
<10.0 |
Lead, mg/kg |
≤2.0 |
<2.0 |
Arsenic, mg/kg |
≤1.0 |
<1.0 |
Readily carbonizable substances |
Passes test |
Conforms |
Limit of Citric, Oxalic, Phosphoric and Tartaric acid |
Passes test |
Conforms |
Reducing sugars |
Passes test |
Conforms |