This is an Application Brief and does not contain a detailed Experimental section.
This application brief highlights about the analysis of MDMA and its metabolites by LC-MS/MS method
Column: |
XTerra MS C18 2.1 x 150 mm, 3.5 µm |
Part number: |
186000408 |
Mobile phase A: |
20 mM NH4HCO3, pH 9.0 |
Mobile phase B: |
MeOH |
Flow rate: |
0.2 mL/min |
Isocratic mobile phase composition: |
70% A; 30% B |
Injection volume: |
15 µL |
Temperature: |
30 °C |
Detection: |
MS ESI+ |
Instrument: |
Alliance 2695, Micromass ZQ |
Instrument: |
Waters/Micromass ZQ |
Ion source: |
Electrospray Positive |
Source temperature: |
150˚C |
Desolvation temperature: |
350˚C |
Analysis at pH 9 allows good peak shape and maximum retention for basic compounds with no modifiers that can interfere with LC-MS analysis. Do not try this with traditional silica based columns.
WA31764.72, June 2003