Mangasi Alion Marpaung, Javed Iqbal, Marincan Pardede, Muhammad Bilal, Rinda Hedwig, Muliadi Ramli, Ali Khumaeni, Indra Karnadi, Ivan Tanra, Zener Sukra Lie, Hery Suyanto, Davy Putra Kurniawan, Koo Hendrik Kurniawan, Kiichiro Kagawa, May On Tjia
Presented in this paper are the results of practical application of laser-induced breakdown spectroscopy to sensitive detection of rare earth elements (REEs) in trace amounts using a Cu subtarget supported stainless steel micro mesh (SSMM) powder sample holder. Powder samples containing separately a number of REEs (Yb, Y, Eu, and La) are measured using the SSMM sample holder and a 68 mJ ns Nd:YAG laser with -5 mm defocused irradiation in 1.3 kPa ambient air. All the resulted emission spectra are shown to exhibit excellent spectral quality featuring well resolved sharp spectral lines with low background and without spectral interference from the sample holder. Further measurements of additional powder samples with varied content of REEs are performed to reveal the existence of linear calibration lines with extrapolated zero intercept and well below 100 ppm detection limits promising for practical quantitative REEs analysis, particularly for sensitive field exploration of REEs. © 2019 Laser Institute of America.
Department of Physics, Faculty of Mathematics and Natural Sciences, Jakarta State University, 10 Rawamangun, Jakarta, Indonesia; Department of Physics, University of Azad, Jammu and Kashmir, Muzaffarabad, 13230, Pakistan; Department of Electrical Engineering, University of Pelita Harapan, 1100 M.H. Thamrin Boulevard, Lippo Village, Tangerang, 15811, Indonesia; Laser Matter Interaction Lab., Department of Physics, Faculty of Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan; Computer Engineering Department, Faculty of Engineering, Bina Nusantara University, 9 K.H. Syahdan, Jakarta, 11480, Indonesia; Chemistry Department, Faculty of Mathematics and Natural Sciences, Syiah Kuala University, Darussalam, Banda Aceh, 23111, Indonesia; Department of Physics, Faculty of Sciences and Mathematics, Diponegoro University, Tembalang, Semarang, 50275, Indonesia; Department of Electrical Engineering, Krida Wacana Christian University, Jakarta, 11470, Indonesia; Automotive and Robotics Program, Computer Engineering Department, BINUS ASO School of Engineering, Bina Nusantara University, Jakarta, 11480, Indonesia; Department of Physics, Faculty of Mathematics and Natural Sciences, Udayana University, Kampus Bukit Jimbaran, Denpasar, Bali, 80361, Indonesia; Research Center of Maju Makmur Mandiri Foundation, 40/80 Srengseng Raya, Jakarta, 11630, Indonesia; Fukui Science Education Academy, Takagi Chuou 2 Choume, Fukui, 910-0804, Japan; Physics of Magnetism and Photonics Group, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, 10 Ganesha, Bandung, 40132, Indonesia
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