share:

Regulated Carcinogenic Aryl Amines Resulting From Reductive Cleavage of Azo Dyes on Rxi-35Sil MS

PeakstR (min)Conc.
(µg/mL)
Molecular Ion (m/z)
1.o-Toluidine3.1510107
2.o-Anisidine4.3610123
3.4-Chloroaniline4.7710127
4.p-Cresidine5.4610137
5.2,4,5-Trimethylaniline5.5210135
6.3-Chloro-o-toluidine5.8410141
7.4-Chloro-o-toluidine5.9610141
8.2,4-Diaminotoluene7.5810122
9.2,4,5-Trichloroaniline (IS)9.1330196
10.2-Naphthylamine9.7210143
11.2-Aminobiphenyl9.8410169
12.2-Amino-4-nitrotoluene10.4910152
13.4-Aminobiphenyl12.1210169
14.p-Aminoazobenzene15.9310197
15.4,4'-Oxydianiline16.6010200
16.4,4'-Diaminodiphenylmethane16.7010198
17.Benzidine16.7710184
18.o-Aminoazotoluene17.5210225
19.3,3'-Dimethyl-4,4'-diaminodiphenylmethane18.2310226
20.3,3'-Dimethylbenzidine18.4810212
21.4,4’-Thiodianiline19.4310216
22.3,3'-Dichlorobenzidine19.7910252
23.4,4'-Methylenebis(2-chloroaniline)19.7910266
24.3,3'-Dimethoxybenzidine19.9110244
Elution order of positional isomers was verified with individual standards.
image
GC_QA0095
ColumnRxi-35Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13823)
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 9.5 °C/min (hold 5 min)
Carrier GasHe, constant flow
Flow Rate:2.0 mL/min
DetectorMS
Mode:Scan
Scan Program:
GroupStart Time
(min)
Scan Range
(amu)
Scan Rate
(scans/sec)
12.030-3005.5
Transfer Line Temp.:330 °C
Analyzer Type:Quadrupole
Source Type:Inert
Drawout Plate:3 mm ID
Source Temp.:250 °C
Quad Temp.:180 °C
Electron Energy:70 eV
Solvent Delay Time:2.0 min
Tune Type:PFTBA
Ionization Mode:EI
InstrumentAgilent 7890A GC & 5975C MSD
Download PDF

RELATED CHROMATOGRAM LIBRARY SEARCHES

azo dye

,

carcinogenic amines

,

textiles

,

regulated azo dyes

,

aryl amines

,

Rxi-35Sil MS

Printing tips! To print chromatograms full page, change the print settings in the print dialogue window of your PDF reader software: 1) "fit" or "fit to page", 2) "landscape" for wide chromatograms or "portrait" for tall chromatograms.


Restek Domestic Customer Service

Subject

Message

Your Full Name

Your Email

Company Name

Address

Spam Block (Please leave this blank)

all fields required

Thank you

Your message has been sent. We will be in touch shortly.

Message not sent

Sorry, your message could not be sent at this time. Please try again later, or contact Restek or your local Restek representative via phone.

www.restek.com/Contact-Us