
|
Test Items |
Units |
Specifications |
|
Assay CH3CN(GC) |
% |
≥99.99 |
|
Density(20℃) |
g/mL |
0.782~0.785 |
|
Solubility with H2O |
|
Pass test |
|
Residue on evaporation |
% |
≤0.0001 |
|
Water |
% |
≤0.01 |
|
Acidity(as H+) |
mmol/g |
≤0.0002 |
|
Alkalinity(as OH-) |
mmol/g |
≤0.0001 |
|
Absorbance at 190 nm |
Abs.Units |
≤0.60 |
|
Absorbance at 195 nm |
Abs.Units |
≤0.07 |
|
Absorbance at 200 nm |
Abs.Units |
≤0.01 |
|
Absorbance at 210 nm |
Abs.Units |
≤0.01 |
|
Absorbance at 220 nm |
Abs.Units |
≤0.008 |
|
Absorbance at 230 nm |
Abs.Units |
≤0.004 |
|
Absorbance at 240 nm |
Abs.Units |
≤0.004 |
|
Absorbance at 254 nm |
Abs.Units |
≤0.004 |
|
254nm Gradient Elution Test |
mAU |
≤0.5 |
|
210nm Gradient Elution Test |
mAU |
≤2 |
|
Fluorescence impurity at 254 nm |
ppb |
≤0.5 |
|
Fluorescence impurity at 365 nm |
ppb |
≤0.5 |
|
LC-MS(ESI+) as reserpine |
ppb |
≤50 |
|
LC-MS(ESI-) as 4-nitrophrnol |
ppb |
≤50 |
|
(K、Ag、Ba、Cd、Co、Cr、Cu、Mn、Ni、Pb、Sn) |
ppb |
≤5 |
|
Al、Ca、Mg、Fe |
ppb |
≤10 |
|
Na |
ppb |
≤50 |