Environmental Engineering Reference
In-Depth Information
Table 3
Analyte-dependent mass spectrometry parameters for target compounds (data source Ramirez et al
.
2007
; RxList (The Internet Drug Index)
2005
)
Compound
pKa
a
Use
Structure
Precursor ion
Collision energy (eV)
Product ion
ESI positive analytes
Acetaminophen
+
Analgesic
152 [M
+
H]
−
11.0
110
9.86
+
Atenolol
Anti-hypertension
267 [M
+
H|
−
21.5
145
9.16
+
253 [M
+
H]
−
13.5
Cimetidine
Anti-acid relux
159
7.07
+
Codeine
Analgesic
300 [M
+
Η
]
−
38.0
215
8.25
+
1,7-dimethylxanthine
Caffeine
metabolite
181 [M
+
H]
−
15.5
124
8.50
+
Liltcomycin
Antibiotic
407 [
Μ
+
H]
−
15.5
359
8.78
(continued)
