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All Journal BERKALA SAINSTEK The Journal of Pure and Applied Chemistry Research Chemistry Indonesian Journal of Chemical Research Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Indonesian Journal of Chemical Analysis (IJCA) Barometer Jurnal Pengendalian Pencemaran Lingkungan (JPPL) REACTOR : Journal of Research On Chemistry And Engineering Sainteks: Jurnal Sain dan Teknik Journal of The Indonesian Society of Integrated Chemistry
Perdani, Meka Saima
Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, The University Of Bengkulu, 38371A
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics

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Journal : The Journal of Pure and Applied Chemistry Research

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Garcinia Mangostana Peel Extract as Sustainable Fuel Source on Ceria Synthesis under Hydrothermal Condition SALPRIMA YUDHA S; Morina Adfa; Aswin Falahudin; Deni Agus Triawan; Liana Wahyuni; Meka Saima Perdani
The Journal of Pure and Applied Chemistry Research Vol 8, No 3 (2019): Edition September-December 2019
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2019.008.03.496

Abstract

Cerium (IV) oxide or ceria (CeO2) was fabricated by heating an aqueous extract of Garcinia mangostana and cerium (III) nitrate in hydrothermal autoclave reactor at 200 °C for 3 hours, followed by calcination at 600 °C for 5 hours. The powder X-ray diffraction (XRD) pattern of the precipitate from cerium(III) nitrate under hydrothermal reaction conditions shows no clear XRD peaks, indicating its amorphous nature. In contrast, the products from the calcinated samples exhibit XRD peaks, which correspond to cubic fluorite structure with an average crystal size of 7.55 nm. The elemental mapping using the energy-dispersive X-ray (EDX) analysis reveals the main elements present were cerium and oxygen, with minor impurities in low amounts. The presence of Garcinia mangostana extract is predicted to be the key component and fuel source to obtain CeO2 particles with narrow crystal size.
Melastoma malabathricum Fruit Extract-Mediated Synthesis of Silver Nanoparticles with Sensing Ability for High Concentrations of Mercury (II) Nitrate SALPRIMA YUDHA S; Aswin Falahudin; Meka Saima Perdani; Irfan Gustian; Saiqa Ikram
The Journal of Pure and Applied Chemistry Research Vol 6, No 3 (2017): Edition of September - December 2017
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (862.134 KB) | DOI: 10.21776/ub.jpacr.2017.006.03.353

Abstract

A strategic approach was developed to synthesize silver nanoparticles from AgNO3 using Melastoma malabathricum seed extract. The reaction of silver ions with the organic compounds in the seed extract proceeded smoothly at room temperature without any additional capping agent. The appearance of an absorption peak around 427 nm provided evidence for the presence of silver nanoparticles in the reaction mixture. A diluted solution of the silver nanoparticles was treated with various concentrations of mercury (II) nitrate solutions and the resulting reaction was monitored using UV-Vis spectrophotometry
Co-Authors Alzena Yulianto, Raisa Syifa Andini, Sri Aswin Falahudin Athirah, Febriana Azhar Dampang, Sarah Dewi, Nurazizah Melani Fadilla, Amalia Dian Fauzi, Muhammad Rezal Alfian Hakim, Muhammad Fahmi Hasannah, Cintiya Septa Heri Hermansyah Hilman Imadul Umam Irfan Gustian Iskandar, Riska Listiarini Liana Wahyuni Maelan, Nabilla Maharani Malisi, Sibro Margaretha, Grace Morina Adfa Nur Fadila, Salsabil Intan Nurhana, Eti Ayu Prajati, Gita Putri, Dwini Normayulisa Saiqa Ikram SALPRIMA YUDHA S Siswantito, Firgi Sitanggang, Christin Octaviani Suci, Farradina Choira Teguh Pambudi Triawan, Deni Agus Wahyuningtyas, Aulia