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All Journal Jurnal Kimia (Journal of Chemistry) Jurnal Ilmu Lingkungan Jurnal Neutrino : jurnal fisika dan aplikasinya Jurnal Riset Kimia JURNAL INTEGRASI PROSES Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Jurnal Saintek Lahan Kering Indonesia Journal of Halal JURNAL PENGABDIAN KEPADA MASYARAKAT JKPK (Jurnal Kimia dan Pendidikan Kimia) Indonesian Physical Review Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya Stannum : Jurnal Sains dan Terapan Kimia Community Development Journal: Jurnal Pengabdian Masyarakat Molluca Journal of Chemistry Education (MJoCE) Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Jurnal Pengabdian kepada Masyarakat Nusantara Hydrogen: Jurnal Kependidikan Kimia Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Journal of Chemical Science and Application
Matius Stefanus Batu
Program Studi Kimia, Fakultas Pertanian, Sains Dan Kesehatan Universitas Timor, 85613
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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Journal : Jurnal Saintek Lahan Kering

 1 
Analisis Kandungan Logam Berat Kromium (Cr) dalam Sedimen di Perairan Teluk Ambon Bagian Dalam Matius Stefanus Batu; Marselina Theresia Djue Tea; Antho Netty Siahaya; Yeslia Utubira
Saintek Lahan Kering Vol 2 No 2 (2019): JSLK Desember 2019
Publisher : Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (288.194 KB) | DOI: 10.32938/slk.v2i2.870

Abstract

Analysis of Chromium (Cr) heavy metal content in sediment have been done at inner part of Ambon Bay by using Atomic Absorption Spectrofotometer (AAS). This analysis has been done in six sampling areas, they are : Galala (the first locations), Lateri (the second location), Negeri Lama (the third location), Waeheru (the fourth location), Poka (the fifth location), and Halong (the sixth location). The study aims to determine the content of chromium metal (Cr) in sediments at inner part of Ambon Bay. The analysis showed that the Cr metal content ranged from 33.68-191.74 mg/kg. The chromium (Cr) heavy metal content in sediments is mostly among the quality standards set by the ANZECC (Australian and New Zealand Environment and Conservation Council) in 2000, which is 80-120 mg/Kg
Penggunaan Minyak Biji Feun Kase (Thevetia Peruviana) Sebagai Inhibitor Korosi Logam Seng Dalam Media Asam Noviana Getrudis Abi; Matius Stefanus Batu; Maria Magdalena Kolo
Saintek Lahan Kering Vol 6 No 1 (2023): JSLK JUNI 2023
Publisher : Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/slk.v6i1.2172

Abstract

Research on using Feun Kase (Thevetia Peruviana) seed oil as a corrosion inhibitor for zinc metal has been done. This study aims to determine the optimum conditions of immersion time, inhibitor concentration, and temperature in the corrosion inhibition process. Fun Kase seed oil was obtained by maceration extraction for five days using methanol solvent. The inhibition test using the weight reduction method was carried out with variations in immersion time, inhibitor concentration, and temperature to determine the inhibition efficiency and corrosion rate per year in the corrosion test process. From the research results, the optimum immersion time and inhibitor concentration were obtained at 3 hours of immersion time, and a concentration of 1000 ppm with an inhibition efficiency of 43.16% and a corrosion rate of 13.48 mph, and the optimum temperature was obtained at 30ºC with an inhibition efficiency value of 21.33 %.
Co-Authors Adolvina Kono Adu, R. E. Y. Agustina Rosalia Saka Antho Netty Siahaya Anyan Anyan Arisman Arisman Benu, Didi Benu, Didi Prasetyo Berek, Gaudesisus Usi Bernadina Metboki, Bernadina Christanti, Cindy Claudia De Fretes, M. Derlini Donuata, Pujianti Bejahida Edi, Eduardus Emerensiana Naes Fajri, Rahmatul Fetronela Rambu Bobu Florian Mayesti Prima Remba Makin Fransiska Rika Friska Heriyanti Funan, Selviana Ermalinda Gelyaman, Gebhardus Djugian Gradiana Yosefa Nana Hamid Wijaya Kamaluddin Kamaluddin Kolo, Maria Magdalena Kolo, Sefrinus M. D Lourenco Pereira Soares Lukas Pardosi Mada, Grandianus Seda Mading, Ridwan Mako, Febriana Manikin, Gerosa Risa Vianey Maria Fridolina Taek Maria Rosanti Bani Marianna Caryna Kono Mata, Meri Helsiana Mere, Janrigo Klaumegio Metriana Matilda Taus Naisau, Mikhael Rifantus Noviana Getrudis Abi Pieter Jackson Lopez Dethan Pramita, Dira Asri Regina Seran Rika, Fransiska Risna Erni Yati Adu Saka, Agustina Rosalia Sakan, Sergius Sanak, Maria Kotelma Siahaan, Desta Gloria Talan, Veronika Sofia Jaquelin Tea , Marselina Theresia Djue Tea, Marselina Theresia Djue Tefa, Maria Selestina Teti, Roswita tnunay, ite morina yostianti Welsiliana Wiguna, Gede Arya Wilda Lumban Tobing Yohana Ivana Kedang Yulida Amri