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All Journal JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI Jurnal Fisika FLUX Journal of Physics: Theories and Applications Wikrama Parahita : Jurnal Pengabdian Masyarakat INDONESIAN JOURNAL OF APPLIED PHYSICS SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Phydagogic : Jurnal Fisika dan Pembelajarannya Jurnal Pengabdian Papua Bakti Hayati

Octolia Togibasa

Department Of Physics, Universitas Cenderawasih

Author-ID : 3694759

Agriculture, Biological Sciences & Forestry Humanities Astronomy Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Pembuatan Karbon Aktif dari Ampas Sagu Menggunakan Aktivator ZnCl2 Rhizal Alfian Abdul Gani; Yohanes David Sokoy; Derlin Lena Samolo; Octolia Togibasa
Jurnal Fisika FLUX Vol 18, No 1 (2021): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Activated carbon is a carbon with an amorphous structure arranged in a parallel hexagonal ring. In this research, activated carbon has been synthesized from sago waste. The purpose of this research was to synthesize activated carbon with ZnCl2 activator and investigate the effect of ZnCl2 activator concentration on the characteristics of activated carbon. Synthesis of activated carbon was carried out with the following stages: dehydration, carbonization, silica extraction with NaOH and ZnCl2 activation with variations in concentrations of 5, 15 and 20%. The characterization of activated carbon was carried out by analyzing the crystal structure and morphology, which was conducted using a scanning electron microscope and x-ray diffractometer. The characterization results showed that the best activated carbon was synthesized from 15% ZnCl2 activator due to its amorphous structure with a relatively small pore size of 2 µm.

Sintesis Magnesium Ferit Berbasis Pasir Besi dari Sarmi menggunakan Metode Kopresipitasi Cahyo Saputra; Heru Cahyoutomo; Jeny Sendong; Octolia Togibasa
Jurnal Fisika FLUX Vol 17, No 2 (2020): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

In this study, magnesium ferrite was sinthesized from natural iron sand using co-precipitation method. Iron sand material was taken from the north coast of Sarmi Regency, Papua Province. The purpose of this study was to find out whether magnesium ferrite could be synthesized from iron sand directly without preliminary processes into magnetite minerals. Co-precipitation method was applied with a variant of stirring temperature of 30, 50 and 70°C. The crystal structures was characterized using an x-ray diffractometer, while the magnetic properties was characterized using a vibrating sample magnetometer and the morphology of the particle was characterized using a scanning electron microscpe. From the results of characterization, it is known that magnesium ferrite successfully synthesized from iron sand directly without preliminary processes into magnetite minerals. Magnetic properties were obtained from the sample with added of magnesium acetate tetrahedral and stirred at a temperature of 70°C. The x-ray diffracttion pattern showed figure of merit of 0.82, while the magnetic hysterisis curve shows coercivity of 200 Oe and magnetic moment about 11 emu/gr. The mineral has irregular particle sizes that range from 0.5 to 100 microns in size, due to magnetic attraction which promotes agglomeration. This researcher recommends optimization of the synthesis process so that the quality of the magnesium ferrite can be improve.

Pengaruh Kandungan Glukosa terhadap Arus Listrik pada Biobaterai dari Pasta Elektrolit Ketapang(Terminalia catappa L.) Ronna Royani Hotang; Dina Sarwuna; Erin Septi Munfaatun; Octolia Togibasa
Jurnal Fisika FLUX Vol 15, No 2 (2018): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Pada penelitian sebelumnya, kami telah berhasil membuat biobaterai dari pasta elektrolit ketapang (Terminalia catappa L.). Namun demikian, peran glukosa dalam menghasilkan arus listrik dalam biobaterai masih menjadi suatu pertanyaan. Pada penelitian ini kami menyelidiki secara rinci akan kandungan glukosa dalam pasta elektrolit ketapang, dan melihat bagaimana hubungannya terhadap produksi arus listrik dalam biobaterai. Pengukuran kandungan glukosa dilakukan dengan menggunakan metode Miller, dimana nilai absorbansi dari larutan pasta diukur menggunakan Spectrophotometer-UV.Hasilnya menunjukkan adanya hubungan linier antara kandungan glukosa terhadap arus listrik pada biobaterai dari pasta elektrolit ketapang. Pasta segar diketahui memiliki konsentrasi glukosa sebesar 23.9 mg / mldan dapat menghasilkan arus sebesar 1 mA, pada saat biobaterai dipasang hambatan sebesar 100 Ω.

Co-Authors Abraham Abraham Afrianus Sikwa Agnes Eri Maryuni Anike Nelce Bowaire Aprilia Yapen Cahyo Saputra Derlin Lena Samolo Dina Sarwuna Dirk Y. P. Runtoboi Ego Srivajawaty Sinaga Erin Septi Munfaatun Eva Papilaya Frans Augusthinus Asmuruf Gemala Dirgantari Grasela Waimbo Graziani Rumbino Hana I.K. Bella Hardi Hamzah Henderite L. Ohee Heru Cahyoutomo Jeny Sendong Khaeriah Dahlan Khaeriah Dahlan Khaeriah Dahlan Lili Maniambo Makdalena I. Dimara Maureen Kumaunang Maya Erari Melfi Soll Mikha M. Kawari Muhammad Nurkhalis Agriawan Pahala Tua Hutajulu Rhizal Alfian Abdul Gani Rivaldo Titto Ulrich Silalahi Ronna Royani Hotang Savonarola G. Y. Edowai Siane Maria Tampi Sroyer, Alvian Yane Oktovina Ansanay Yaseya P. Rumaterai Yohanes David Sokoy Yohanis Irenius Mandik

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