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International Journal of Spectroscopy
Volume 2017, Article ID 1614654, 9 pages
Research Article

Determination of Metals Present in Textile Dyes Using Laser-Induced Breakdown Spectroscopy and Cross-Validation Using Inductively Coupled Plasma/Atomic Emission Spectroscopy

1State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
2The World Academy of Sciences (TWAS), Trieste, Italy
3Department of Applied Physics, Federal Urdu University of Arts, Science and Technology, Islamabad 44000, Pakistan
4Department of Chemistry, Islamia College University, Peshawar 25120, Pakistan
5Department of Physics, Quaid-i-Azam University, Islamabad 45320, Pakistan
6Department of Basic Sciences, University of Engineering and Technology, Peshawar 25120, Pakistan

Correspondence should be addressed to I. Rehan; moc.liamg@iazfasuoynaheri

Received 16 March 2017; Revised 7 June 2017; Accepted 16 July 2017; Published 28 August 2017

Academic Editor: Jozef Kaiser

Copyright © 2017 K. Rehan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Laser-induced breakdown spectroscopy (LIBS) was used for the quantitative analysis of elements present in textile dyes at ambient pressure via the fundamental mode (1064 nm) of a Nd:YAG pulsed laser. Three samples were collected for this purpose. Spectra of textile dyes were acquired using an HR spectrometer (LIBS2000+, Ocean Optics, Inc.) having an optical resolution of 0.06 nm in the spectral range of 200 to 720 nm. Toxic metals like Cr, Cu, Fe, Ni, and Zn along with other elements like Al, Mg, Ca, and Na were revealed to exist in the samples. The %-age concentrations of the detected elements were measured by means of standard calibration curve method, intensities of every emission from every species, and calibration-free (CF) LIBS approach. Only Sample 3 was found to contain heavy metals like Cr, Cu, and Ni above the prescribed limit. The results using LIBS were found to be in good agreement when compared to outcomes of inductively coupled plasma/atomic emission spectroscopy (ICP/AES).