AN10329_E 05/13S
Conclusions
It has been demonstrated that the Thermo Scientific ISQ
Series GC/MS system achieved high sensitivity in full
scan mode together with high productivity in the analysis
of azo dyes in textiles. The described method has the
advantage of the complete mass spectra for identification
by library search, quantitation on the compound specific
fragment ions and the confirmation of positive findings
by comparing the spectral information with the detected
peak.
The high acquisition rate allows excellent
chromatographic resolution for difficult to separate
compounds, while maintaining short cycle times for high
productivity with high number of samples to run.
Together with the data processing method and QA/QC
checks, this application is compliant with the requirements
of the EN ISO 14362-1 standard procedure for the
analysis of certain azo dyes in cotton and silk textiles.
Following appropriate sample preparation methods, the
described analytical setup can be used for the analysis of
azo dyes in leather and synthetic fabric as well.
References
[1] European Commission - Health and Consumers,
Scientific Committees Opinion, see
eu/health/scientific_committees/environmental_
risks/opinions/sctee/sct_out27_en.htm , Brussels, 18
January 1999.
[2] Directive 2002/61/EC of the European Parliament
and of the Council of 19 July 2002 amending for
the nineteenth time Council Directive 76/769/EEC
relating to restrictions on the marketing and use
of certain dangerous substances and preparations
(azocolourants). of 19 July 2002 amending for
the nineteenth time Council Directive 76/769/EEC
relating to restrictions on the marketing and use
of certain dangerous substances and preparations
(azocolourants).
[3] EN ISO 14362-1, Textiles - Methods for the
determination of certain aromatic amines derived
from azo colorants - Part 1: Detection of the use of
certain azo colorants accessible without extraction.
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61
Nr.
Compound Name
RT
[min]
Quantitation
m/z
CE
[V]
Confirmation
m/z
CE
[V]
R
2
190.
Fenvalerat , peak 1
21.94
167.05 > 125.04
10
419.13 > 225.07
10
0.9978
191.
Fluvalin te, peak 1
22.09
250.06 > 200.05
20
252.06 > 200.05
20
0.9973
192.
Pyraclostr bin
22.17
132.03 > 77.02
15
325.08 > 132.03
20
0.9936
193.
Fluvalinate, peak 2
22.20
250.06 > 200.05
20
252.06 > 200.05
20
0.9977
194.
Fenvalerate, peak 2
22.28
167.05 > 125.04
10
419.13 > 225.07
10
0.9996
195.
Difenocon zole, peak 1
22.76
323.05 > 265.04
15
325.05 > 267.04
20
0.9995
196.
Indoxacarb
22.95
203.03 > 106.01
20
203.03 > 134.02
20
0.9996
197.
Deltamethrin II
23.28
252.99 > 93.00
18
252.99 > 173.99
18
0.9987
198.
Azoxystrobin
23.63
344.10 > 329.10
20
388.11 > 345.10
15
0.9991
199.
Dimethomorph-1
23.91
301.10 > 165.05
10
387.12 > 301.10
12
0.9992
200.
Dimethomorph-2
24.60
301.10 > 165.05
10
387.12 > 301.10
12
0.999
Application Note 10361
