Parameter |
Setting |
LC Method Pump 1 |
Gradient |
Reservoir A = 10% MeOH in water, 5 mM formic acid |
Reservoir B = ACN, 5 mM formic acid |
Time (min) |
%A |
%B |
Flow Rate (µL/min) |
0.0 |
93 |
7 |
300 |
0.5 |
93 |
7 |
300 |
2.0 |
50 |
50 |
300 |
3.0 |
50 |
50 |
300 |
3.01 |
93 |
7 |
300 |
6.0 |
93 |
7 |
300 |
Column Oven |
Temperature ranges from 40 °C |
Column Type |
Polar RP Phenyl column, 2x100 mm, 2.5µm particle size |
Injection Volume |
20 µL |
Needle Rinse Time |
5 - 10 seconds, using flushport |
Rinse Solvent |
Mobile Phase A |
Injection Mode |
Standard |
Autosampler Tray Temp. |
20 °C |
Typical Retention Time |
L-Abrine = 2.1 min |
Ricinine = 3.5 min |
HPLC Degasser |
Powered for continuous use (there are no settings) |
MS Scan Mode |
MS/MS selected reaction monitoring (SRM) |
Ionization Type |
Turbo-ionspray (similar to ESI) |
Ion Polarity Mode |
Positive ion |
Scan Type |
100 msec per channel |
Collision Gas (CAD) |
High or "12" |
Curtain Gas (CUR) |
20 |
Ion Source Gas 1 (GS1) |
65 |
Ion Source Gas 2 (GS2) |
10 |
Ion Spray Voltage (IS) |
5100 |
Temperature (TEM) |
550 (interface heater on) |
Declustering Potential (DP) |
see Table 5 |
Entrance Potential (EP) |
10 |
Collision Energy (CE) |
see Table 5 |