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
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Column: |
XTerra MS C18 2.1 x 150 mm, 3.5 µm |
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Part number: |
186000408 |
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Mobile phase A: |
20 mM NH4HCO3, pH 9.0 |
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Mobile phase B: |
MeOH |
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Flow rate: |
0.2 mL/min |
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Isocratic mobile phase composition: |
70% A; 30% B |
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Injection volume: |
15 µL |
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Temperature: |
30 °C |
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Detection: |
MS ESI+ |
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Instrument: |
Alliance 2695, Micromass ZQ |
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Instrument: |
Waters/Micromass ZQ |
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Ion source: |
Electrospray Positive |
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Source temperature: |
150˚C |
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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