LIBS analysis of chromium in samples of dyed wool fabric

A method for the analysis of chromium in wool fabric samples was developed. It is fast and cheap with no sample preparation. This method involved the use of double pulse Laser Induced Breakdown Spectrometry (LIBS) for the wool fabric samples dyed by two types of metal complex dyes (C.I. Acid Orange...

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Bibliographic Details
Published in:Journal of analytical atomic spectrometry 2009-01, Vol.24 (5), p.685-688
Main Authors: Pouzar, Miloslav, Průšová, Mária, Prokopčáková, Petra, Černohorský, Tomáš, Wiener, Jakub, Krejčová, Anna
Format: Article
Language:English
Subjects:
Calibration
Chromium
Dyes
Fabrics
Spectrometry
Spectroscopy
Wool
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Summary:A method for the analysis of chromium in wool fabric samples was developed. It is fast and cheap with no sample preparation. This method involved the use of double pulse Laser Induced Breakdown Spectrometry (LIBS) for the wool fabric samples dyed by two types of metal complex dyes (C.I. Acid Orange 173 and C.I. Acid Black 60). A commercially available LIBS spectrometer was calibrated with the aid of authentic wool fabric samples previously analysed by F-AAS after microwave digestion. Comparable results can be obtained using this unique procedure if the same set of standards is used for XRF and LIBS calibration. Limits of detection for chromium achieved by suggested LIBS methods (from 5 to 10 mg kg-1) are comparable with the WD XRF ones (from 4 to 5 mg kg-1).
ISSN:0267-9477
1364-5544
DOI:10.1039/b814881c