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All Journal JURNAL KIMIA SAINS DAN APLIKASI Abdimas Jurnal Inovasi Pendidikan Kimia Sainteknol : Jurnal Sains dan Teknologi Indonesian Journal of Chemical Science Indonesian Journal of Chemistry Journal of Innovative Science Education JKPK (Jurnal Kimia dan Pendidikan Kimia) International Journal of Active Learning Al Maktabah Jurnal kajian Ilmu dan Perpustakaan Indonesian Journal of Chemistry and Environment Jurnal Puruhita Proceeding of International Conference on Science, Education, and Technology Bulletin of Chemical Reaction Engineering & Catalysis Indonesian Journal of Chemical Science Indonesian Journal of Conservation Sainteknol : Jurnal Sains dan Teknologi
Triastuti Sulistyaningsih
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Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Library & Information Science Materials Science & Nanotechnology Physics Social Sciences Other

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Journal : Indonesian Journal of Chemistry and Environment

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Preparation of Magnetite-Tannin Guava Leaves as Pb(II) Adsorbent Mochamad Hafiz Ghozali Rusmana; Triastuti Sulistyaningsih
Indonesian Journal of Chemistry and Environment Vol 4, No 2 (2021): DECEMBER 2021
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (697.563 KB) | DOI: 10.21831/ijoce.v4i2.48400

Abstract

The increasing use of heavy metals in everyday life causes serious environmental pollution, one of which is the Pb(II) metal ion which is toxic to organisms. This study aimed to modify the tannins extracted from guava leaves with magnetite (Fe3O4) by coprecipitation as adsorbent of Pb(II) metal ion. The modified results were characterized using Fourier Transform Infra Red (FTIR), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray (EDX), and X-Ray Diffraction (XRD). Metal ion levels of Pb(II) before and after adsorption were measured by Atomic Absorption Spectroscopy (AAS). The results showed that the tannins increased the magnetite-tannin crystal size from 85.17 to 155.66 nm. Modification of magnetite (Fe3O4) in guava leaf tannins is able to provide magnetic properties that facilitate post-adsorption separation. The optimum adsorption conditions were reached at pH 7 for magnetite-tannin and magnetite with optimum contact time. The adsorption of magnetite-tannin and magnetite occurred at 90 and 60 minutes. The maximum adsorption capacity of Pb(II) metal ions by magnetite-tannin is smaller than that of magnetite. Both adsorption processes followed the Langmuir isotherm pattern and Pseudo Order Two (Ho) kinetics.
Co-Authors - Jumaeri Agung Tri Prasetya Agustina Dwi Rahmawati Ainul, Ahmad Akhib Al Muttaqii, Muhammad Alawiyah, Nur Amanda Shinta Maylani, Amanda Shinta Anita Rahayu Annisa Nurul Syakina Bambang Rusdiarso Budi Hastuti Danang Subarkah Hadikawuryan Darmadinata, Mariyanti Darmadinata, Mariyanti Dewi, Siti Herlina Dhidik Prastiyanto Dirmanto, Agus Dwi Siswanta Edy Cahyono Eisdiantoro, Sunarko Eko Budi Susatyo Ella Kusumastuti Ella Kusumastuti, Ella Endang Susilaningsih Endang Susilaningsih Erik Prasetyo F Widhi Mahatmanti Ghaefira Tasya Azany Haditya, Ervan Bagus Hidayah, Miftachul Hidayah, Miftachul Isnaeni, Diana Isnaeni, Diana Kasmadi Imam Supardi Khrisna Khrisna M. Furqon Adli Marbun, Maja Pranata MARIA BINTANG Maryani, Tri Maya Rahmayanti Mochamad Hafiz Ghozali Rusmana Mulyasari, Mursalina Mulyasari, Mursalina Murbangun Nuswowati Natasya Viona Alexandra Nugraha, Muhammad Septian Nugraha, Muhammad Septian Nuni Widiarti Nur Imaniah, Nur Prasasti, Hesti Pratomo, Sigit Wahyu Pratomo, Sigit Wahyu PUJI LESTARI Purniawati, Henny Radenrara Dewi Artanti Putri Rahmawati, Lidia Reni Ainun Jannah Ria Saputri Riza Alviany Rochmah, Vinny Rochmah, Vinny Rusadi, Eka Rusadi, Eka S Mursiti Safitri, Tsania Safitri, Tsania Samuel Budi Wardhana Kusuma Sari, Ajeng Arum Sarifa, Zakiyatu Selli Renata Sari, Selli Renata Setyo, Slamet Budi Sibuea, Andreas Silalahi Raja, Havier Samuel Huttur Sintia Ayu Dewi Siti Herlina Dewi Siti Kholipuk, Siti Sri Haryani Sri Haryani Sri Juari Santosa Sri Mantini Rahayu Sedyawati, Sri Mantini Rahayu Sri Martini Rahayu Sedyawati Sri Mursiti SRI WARDANI Subiyanto Hadisaputro, Subiyanto Sudarmin Sudarmin Sugeng Priyanto, Sugeng Syafaat AM, Fuad Tri Utami Kusuma Putri Umayah, Isponi Umayah, Isponi Ummi Kulsum Wahyu Rahmawati, Aliftia Wahyu Rahmawati, Aliftia Warlan Sugiyo Wasinton Simanjuntak Widi Astuti Widi Astuti Wismaningati, Putri Wisnu Sunarto Wulandari, Ari Vitri Wulandari, Ari Vitri Yasmine, Luigy Maurizka yati, indri Yunita, Anfi'na Ilma Zulfa Ajrina Fitri