Extraction condition
ESI
APCI
%RE
%Ion suppression
%RE
%Ion suppression
Acetonitrile
46
41
52
36
1% formic acid in acetonitrile
42
52
48
47
Acetonitrile/200µL 5%OPA/200 Milli Q Water
67
28
78
19
Table 3:
Effect of extraction condition of PPT on ion suppression and method efficiency.
