kylabs
第4楼2011/06/01
尿里胆酸的测定条件：
Bile Acids from Urine
Determination of Chenodeoxycholic acid (CDCA) (bile acid) in human urine using ANP (inverse gradient)
| 柱子 | Cogent Diamond Hydride™, 4µm, 100A | ||||||||||||||||||||
| 货号 | 70000-15P-2 | ||||||||||||||||||||
| 尺寸 | 2.1 x 150 mm | ||||||||||||||||||||
| 流动相 | A: DI water + 0.1% formic acid B: acetonitrile + 0.1% formic acid | ||||||||||||||||||||
| Mobile Phase | Gradient t0 = 1.44 min
| ||||||||||||||||||||
| Flow Rate | 0.4 mL/min. | ||||||||||||||||||||
| Sample | Human urine - after simple extraction | ||||||||||||||||||||
| Analyte | Chenodeoxycholic acid 393.29994 m/z (M+H)+, RT = 6.26 min | ||||||||||||||||||||
| Detection | ESI ?pos- Agilent 6210 MSD TOF mass spectrometer. Figure B: EIC ?extracted ion chromatogram of selected compound and corresponding spectrum |
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