产品编号：8001LM4000
产品名称：4L液质联用级甲醇
产品指标：
|
检测项目Test Items |
指标要求Specifications |
|
含量Assay CH3OH(GC) |
≥99.99 |
|
密度Density(20℃) |
0.791～0.793 |
|
与水混合试验Solubility with H2O |
合格Pass test |
|
蒸发残渣Residue on evaporation |
≤0.0001 |
|
水分Water |
≤0.01 |
|
酸度Acidity(as H+) |
≤0.0002 |
|
碱度Alkalinity(as OH-) |
≤0.0001 |
|
吸光度Absorbance at 205 nm |
≤1.0 |
|
吸光度Absorbance at 210 nm |
≤0.45 |
|
吸光度Absorbance at 220 nm |
≤0.20 |
|
吸光度Absorbance at 230 nm |
≤0.10 |
|
吸光度Absorbance at 260 nm |
≤0.01 |
|
梯度洗脱试验：254nm所有峰的吸光度 Gradient Elution Test |
≤2 |
|
梯度洗脱试验：235nm所有峰的吸光度 Gradient Elution Test |
≤2 |
|
荧光杂质Fluorescence impurityat 254 nm |
≤1.0 |
|
荧光杂质Fluorescence impurity at 365 nm |
≤0.5 |
|
LC-MS(正离子模式)以利血平计LC-MS(ESI+) as reserpine |
≤50 |
|
LC-MS(负离子模式)以4-硝基苯酚计LC-MS(ESI-) as 4-nitrophenol |
≤50 |
|
钾、银、钡、镉、钴、铬、铜、锰、镍、铅、锡(K、Ag、Ba、Cd、Co、Cr、Cu、Mn、Ni、Pb、Sn) |
≤5 |
|
铝、钙、镁、铁Al、Ca、Mg、Fe |
≤10 |
|
钠Na |
≤100 |