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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Damhil: Jurnal Pengabdian kepada Masyarakat
Vivi Dia Afrianti Sangkota
Gorontalo State University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences Other

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Characterization of Dunggilata Gold Tailings and Treatment Process Recommendations Ninasafitri; Vivi Dia Afrianti Sangkota; Yayu Indriati Arifin
Jurnal Penelitian Pendidikan IPA Vol 11 No 2 (2025): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i2.10416

Abstract

Rare earth elements (REEs) are a group of seventeen metallic elements consisting of scandium (Sc), yttrium (Y), and fifteen other lanthanide elements. Rare earth metals have an important role in various technologies, so the analysis and separation of these elements from their minerals is very important to do. This study aims to characterize the tailings through X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) techniques. The results of XRD analysis show that the mineral composition of tailings is dominated by quartz (SiO₂) with a percentage of 88%, followed by albite (NaAlSi3O8) with a percentage of 11%.  In addition, the results of XRF analysis show that the main elemental composition in the tailings consists of SiO₂ (69.294%), Al₂O₃ (20.20%), and Fe₂O₃ (4.681%). In addition, heavy metal concentrations in the tailings indicate a potentially serious risk of environmental pollution, with arsenic (As) reaching 100 ppm and mercury (Hg) more than 5 ppm. In addition, rare earth elements identified in the tailings include cerium (Ce) at 14,578 ppm, lanthanum (La) at 7,850 ppm, and neodymium (Nd) at 6,897 ppm. This method is expected to help tailings management, reduce environmental impacts, and support sustainable mineral utilization.
Sosialisasi Dampak Limbah Tailing dan Pelatihan Pembuatan Kolam Pengendapan Tailing di Tambang Emas Rakyat Juriya Ninasafitri Ninasafitri; Fitryane Lihawa; Vivi Dia Afrianti Sangkota; Dicky Rahmansyah; Airin B Nteseo; Hesti Uno; Jemi Rikarno
Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Vol 5, No 1: February 2026
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/ljpmt.v5i1.34742

Abstract

Small-scale mining in Juriya Village has long been the main source of income for the community. However, the traditional mining methods used still disregard the principles of good environmental management, resulting in environmental pollution, particularly tailings waste that has contaminated nearby rivers. Survey results at the mining site show that several mining drums are not equipped with tailings settling ponds that meet standards, resulting in tailings waste seeping into river flows. To address this issue, community service activities were carried out with the aim of increasing the understanding and awareness of the community and miners regarding the impact of tailings pollution and the importance of responsible waste management. These activities included socialization, education, and training on the construction of tailings settling ponds. The results of these activities showed an 88% increase in community understanding of the environmental hazards of tailings, as well as increased community knowledge about the process of constructing compartmentalized tailings settling ponds. This demonstrates the important role of socialization, education, and training in effective tailings waste management efforts. 
Praktikum Berbasis Fun Chemistry untuk Meningkatkan Minat Belajar Siswa di SMA Negeri 1 Pagimana Vivi Dia Afrianti Sangkota; Weny J.A. Musa; Erga Kurniawati; Najmah Najmah; Haris Munandar; Thayban Thayban; Auli Irfah
Damhil: Jurnal Pengabdian kepada Masyarakat Vol 3, No 1: June 2024
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/damhil.v3i1.26588

Abstract

Chemistry learning at the high school level often faces challenges in how to create interesting and fun learning for students. the current paradigm of chemistry subjects is often considered scary by students, so it is necessary to take an innovative approach with the main focus of this service is to create a positive and inspiring learning experience in the school environment, motivating students to be more actively involved in chemistry learning. The service aims to explore the implementation of fun chemistry practicum as a strategy to increase students' interest in learning at SMA Negeri 1 Pagimana. This practicum was designed with the aim of changing the conventional chemistry learning paradigm into a fun and memorable experience. Through interactive and visual experiments, students are invited to actively participate in practical activities involving simple chemical reactions and demonstrations that arouse their curiosity. The initial evaluation showed a positive change in students' behavior as seen from their enthusiasm in participating in this activity.
Penguatan Kompetensi Mahasiswa dalam Pengambilan Sampel Air melalui Pendekatan Learning by Doing Vivi Dia Afrianti Sangkota; Suleman Duengo; Erga Kurniawati; Thayban Thayban
Damhil: Jurnal Pengabdian kepada Masyarakat Vol 5, No 1: June 2026
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/damhil.v5i1.40722

Abstract

Water sampling skills are essential competencies for chemistry students because the accuracy of sampling procedures determines the representativeness and reliability of water quality analysis data. However, students still have limited understanding of sampling-point selection, the use of sampling equipment and containers, labeling, preservation, and field measurement of water quality parameters. This community service activity aimed to strengthen students’ competence in water sampling through a learning-by-doing approach. The program employed educational and training methods, including theoretical instruction, equipment demonstrations, field practice, discussion, and evaluation using pretest and posttest instruments. The evaluation covered four indicators: basic principles of water quality and monitoring, sampling-point selection and procedures, equipment use, labeling and sample preservation, and measurement of pH, temperature, turbidity, and dissolved oxygen. The evaluation results showed that the students’ average understanding increased from 58.75% before the training to 84.00% after the training, representing an increase of 25.25%. The highest improvement was found in equipment use, labeling, and sample preservation, with an increase of 27%. Descriptively, these findings indicate that the learning-by-doing approach strengthened students’ understanding and practical skills in water sampling and handling. Similar training should be continued through periodic practice and the development of a student-based water quality monitoring group.
Co-Authors Airin B Nteseo Auli Irfah Dicky Rahmansyah Erga Kurniawati Erga Kurniawati Fitryane Lihawa Haris Munandar Hesti Uno Jemi Rikarno Najmah Najmah Ninasafitri Ninasafitri Ninasafitri, Ninasafitri Suleman Duengo Thayban Thayban Thayban, Thayban Weny J.A. Musa Yayu Indriati Arifin