A Quick Method to Determine the Impurity Content in Gold Ornaments by LIBS Technique

A. F. M. Y. Haider; S. Sengupta; K. M. Abedin

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Paper

A Quick Method to Determine the Impurity Content in Gold Ornaments by LIBS Technique

Topics: Spectroscopy, Imaging and Metrology

In Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS, 41-46, 2015 , Berlin, Germany

Authors: A. F. M. Y. Haider ; S. Sengupta and K. M. Abedin

Affiliation: University of Dhaka, Bangladesh

Keyword(s): Libs, ED-XRF, Carat Values, Impurities.

Related Ontology Subjects/Areas/Topics: Optics ; Photonics, Optics and Laser Technology ; Spectroscopy, Imaging and Metrology

Abstract: Laser induced breakdown spectroscopy (LIBS) and low energy dispersive X-ray fluorescence (ED-XRF) spectrometer, were used to determine the line intensity and concentration ratios of the major impurities (Cu and Ag) with respect to Au in gold ornaments with different caratage. Calibration curves were drawn with the data sets, obtained from LIBS and XRF, and from these calibration curves the unknown caratage of gold ornaments were obtained by using the line intensity of elements determined by LIBS. We have demonstrated the accuracy of this method by comparing the result with the carat value obtained by typical XRF method. This is yet another novel application of LIBS as a versatile analytic technique.

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Paper citation in several formats:

Haider, A.; Sengupta, S. and Abedin, K. (2015). A Quick Method to Determine the Impurity Content in Gold Ornaments by LIBS Technique. In Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS; ISBN 978-989-758-092-5; ISSN 2184-4364, SciTePress, pages 41-46. DOI: 10.5220/0005249300410046

@conference{photoptics15,
author={A. F. M. Y. Haider. and S. Sengupta. and K. M. Abedin.},
title={A Quick Method to Determine the Impurity Content in Gold Ornaments by LIBS Technique},
booktitle={Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS},
year={2015},
pages={41-46},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005249300410046},
isbn={978-989-758-092-5},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS
TI - A Quick Method to Determine the Impurity Content in Gold Ornaments by LIBS Technique
SN - 978-989-758-092-5
IS - 2184-4364
AU - Haider, A.
AU - Sengupta, S.
AU - Abedin, K.
PY - 2015
SP - 41
EP - 46
DO - 10.5220/0005249300410046
PB - SciTePress