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All Journal Jurnal Fisika FLUX
I Kadek Febry Anggi Pangestu
Magister of Physics, Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Lambung Mangkurat, Indonesia
Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics

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Analysis of Heavy Metal Content and Magnetic Mineral Morphology in River Sediments in Bajuin District, South Kalimantan Syahdiannor Syahdiannor; Sudarningsih Sudarningsih; Tetti Novalina Manik; I Kadek Febry Anggi Pangestu; Gerald Tamuntu
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 23, No 2 (2026): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v23i2.24794

Abstract

Bajuin District is a sub-district located in Tanah Laut Regency, South Kalimantan, where there is gold mining around the river basin. Gold mining activities are often a source of pollution, especially heavy metals, to the aquatic environment. This study aims to determine the content of heavy metals and the morphological characteristics of magnetic minerals in river sediments in the gold mining area. Heavy metal content measurement was carried out using X-Ray Fluorescence (XRF) instruments and magnetic mineral morphology was carried out using Scanning Electron Microscopy with Energy Dispersive Spectroscopy (SEM-EDS) instruments. The results of measurements using XRF in river sediments found heavy metals Fe (2,495.40 – 4,395.83), Mn (51.40 – 70.60), Cr (18.60 – 107.93), Ni (8.03 – 21.87), V (9.33 – 12.77), Cu (5.53 – 13.50), and Zn (4.60 – 6.33) in ppm units. The results of magnetic mineral measurements based on SEM show that magnetic minerals are octahedral and irregular. Meanwhile, the results of EDS measurements show that the main constituent elements of magnetic minerals are Fe and O which indicate magnetic minerals. In addition, elements Al, Si, Sc, V, Cr, Zn, Au, and Hg were also found. The results of this study provide important implications for environmental conditions in Bajuin District, especially related to the potential for increased heavy metal pollution due to gold mining activities around the river.
Co-Authors Gerald Tamuntu Sudarningsih Sudarningsih Syahdiannor Syahdiannor Tetti Novalina Manik