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High Speed GC-MS-SIM of Carcinogenic Aryl Amines Resulting From Reductive Cleavage of Azo Dyes on Rxi-35Sil MS (SIM Mode)

PeakstR (min)Quant. Ion (m/z)Qual. Ion #1 (m/z)Qual. Ion #2 (m/z)
1.o-Toluidine1.1410610789
2.o-Anisidine1.5610812380
3.4-Chloroaniline1.71127129100
4.p-Cresidine1.9512213794
5.2,4,5-Trimethylaniline1.97120135134
6.3-Chloro-o-toluidine2.08141106140
7.4-Chloro-o-toluidine2.13141106140
8.2,4-Diaminotoluene2.7012112294
9.2,4,5-Trichloroaniline (IS)3.25195197199
10.2-Naphthylamine3.46143115116
11.2-Aminobiphenyl3.50169168167
12.2-Amino-4-nitrotoluene3.7315210679
13.4-Aminobiphenyl4.31169168167
14.p-Aminoazobenzene5.6692197120
15.4,4'-Oxydianiline5.90200171108
16.4,4'-Diaminodiphenylmethane5.94198197180
17.Benzidine5.9618418592
18.o-Aminoazotoluene6.23106225134
19.3,3'-Dimethyl-4,4'-diaminodiphenylmethane6.48226120211
20.3,3'-Dimethylbenzidine6.57212213106
21.4,4’-Thiodianiline6.92216184183
22.3,3'-Dichlorobenzidine7.05252254256
23.4,4'-Methylenebis(2-chloroaniline)7.05231266195
24.3,3'-Dimethoxybenzidine7.09244201186
image
GC_QA0098
ColumnRxi-35Sil MS, 15 m, 0.25 mm ID, 0.25 µm (cat.# 13820)
SampleAccuStandard carcinogenic aryl amine mix (cat.# AE-000-49-R1)
Diluent:Ethyl acetate
Conc.:10 µg/mL
Injection
Inj. Vol.:1 µL split (split ratio 10:1)
Liner:Premium 4 mm Precision liner w/wool (cat.# 23305.1)
Inj. Temp.:275 °C
Oven
Oven Temp.:100 °C to 320 °C at 27 °C/min (hold 1.75 min)
Carrier GasHe, constant flow
Flow Rate:2.0 mL/min
DetectorMS
Mode:SIM
SIM Program:
GroupStart Time
(min)
Ion(s) (m/z)Dwell (ms)
11.0089, 106, 107, 123, 80, 108, 127, 129, 100 5
21.82122, 137, 94, 120, 135, 134, 141, 106, 140 5
32.40121, 122, 94, 195, 197, 199 7
43.35143, 115, 116, 169, 168, 167, 152, 106, 79 3
55.0092, 197, 120, 200, 171, 108, 197, 198, 180, 184, 185, 92 3
66.10106, 225, 134, 226, 120, 211, 212, 213, 106 5
76.75216, 184, 183, 252, 254, 256, 231, 266, 195, 244, 201, 186 3
Transfer Line Temp.:330 °C
Analyzer Type:Quadrupole
Source Type:Inert
Drawout Plate:3 mm ID
Source Temp.:250 °C
Quad Temp.:180 °C
Solvent Delay Time:1.0 min
Tune Type:PFTBA
Ionization Mode:EI
InstrumentAgilent 7890A GC & 5975C MSD
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