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- Title
Forensic Examination of Textile Fibers Using UV-Vis Spectroscopy Combined with Multivariate Analysis.
- Authors
Sharma, Vishal; Kumar, Raj; Kaur, Pawandeep
- Abstract
The current study aims at discriminating cotton and woolen textile fibers from dye using UV-Vis spectroscopy and chemometrics methods. For extraction of the dye from fibers, seven solvent systems have been used, and different extraction conditions have also been tested. Two different approaches, i.e., a visual comparison of peaks and chemometric analysis, have been proposed to differentiate between the textile fibers. The comparison of peaks obtained through UV-Vis spectra provides the discrimination power of 83.6% for cotton fibers and 94.3% for the woolen fibers. However, the incorporation of chemometrics has further improved the discrimination power to 100% for cotton and 98.1% for woolen fibers. The discrimination of 100% is achieved with nonsignificant values of the Welch's t-test, which illustrates that all samples are discriminated.
- Subjects
TEXTILE fibers; ULTRAVIOLET-visible spectroscopy; MULTIVARIATE analysis; COTTON fibers; WOOL textiles; NATURAL dyes &; dyeing
- Publication
Journal of Applied Spectroscopy, 2019, Vol 86, Issue 1, p96
- ISSN
0021-9037
- Publication type
Article
- DOI
10.1007/s10812-019-00787-4