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All Journal EduChemia: Jurnal Kimia dan Pendidikan KOVALEN: Jurnal Riset Kimia Indonesian Journal of Chemical Analysis (IJCA) Fullerene Journal of Chemistry Equilibrium Journal of Chemical Engineering REACTOR : Journal of Research On Chemistry And Engineering
Fauzi Abdilah
Jurusan Teknik Kimia, Politeknik Negeri Bandung, Jl. Gegerkalong Hilir, Bandung 40012 Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Engineering Environmental Science Materials Science & Nanotechnology

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Journal : Fullerene Journal of Chemistry

 1 
Studi Literatur Potensi Ekstrak Zat Warna Alam sebagai Indikator Asam Basa Alternatif Alifa Gunawan Yusuf; Naila Najiyah; Edi Wahyu Sri Mulyono; Fauzi Abdilah
Jurnal Kimia Fullerene Vol 6 No 2 (2021): Fullerene Journal of Chemistry
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/fjc.v6i2.338

Abstract

Currently, the use of acid-base indicators is limited to synthetic indicators, which are relatively expensive and not environmentally friendly. Therefore, an alternative acid-base indicator is needed from natural ingredients containing anthocyanins which are relatively cheaper, easy to obtain, and environmentally friendly so that they can replace the function of synthetic indicators. For this reason, it is necessary to research beforehand on the sources of raw materials that can be used as alternative acid-base indicators, how the method and what solvents are suitable, as well as the character of the anthocyanin dye extract obtained. In this research, a literature study related to the potential of natural dye extracts was carried out as an alternative acid-base indicator. From the results of the literature study, it can be seen that natural ingredients derived from groups of vegetables, flowers, fruits, and tubers have the potential as raw materials for making alternative acid-base indicators. The best method for extracting anthocyanin dyes from natural materials is the maceration method and the solvent that is suitable for use is ethanol-HCl solvent. The results of titration using natural dye extract indicators have similarities with the results of titrations using phenolphthalein and methyl orange indicators so that natural dye extract indicators can be used as alternative indicators in acid-base titrations.
Efektivitas Cangkang Telur untuk Menurunkan Bilangan Peroksida dan Asam Lemak Bebas pada Minyak Jelantah Fauzi Abdilah; Mentik Hulupi
Jurnal Kimia Fullerene Vol 5 No 2 (2020): Fullerene Journal of Chemistry
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/fjc.v5i2.209

Abstract

Minyak jelantah mengandung berbagai pengotor yang dapat menyebabkan berbagai masalah kesehatan dan lingkungan. Pada penelitian ini dilakukan pemurnian minyak jelantah untuk menurunkan kadar asam lemak bebas dan bilangan peroksida dengan menggunakan adsorben berbasis cangkang telur ayam (CTA) pada berbagai variasi temperatur kalsinasi. Proses persiapan adsorben dilakukan dengan menggunakan furnace elektrik selama 2 jam pada suhu 200, 400, 600 dan 800oC. Proses adsorpsi dilakukan selama 1 jam dengan pengadukan. Analisis yang dilakukan pada penelitian ini adalah analisis kualitas adsorben dan karakterisasi gugus fungsi dengan menggunakan FTIR (Fourier-transform infrared spectroscopy). Analisis kadar asam lemak bebas dan bilangan peroksida dilakukan dengan metode titrasi. Hasil penelitian menunjukkan bahwa adsorben CTA pada suhu kalsinasi 800oC (AE800) memberikan kualitas adsorben terbaik. Hasil karakterisasi menggunakan FTIR menunjukkan adanya puncak baru pada bilangan gelombang 3640 cm-1. Hasil pengukuran kadar asam lemak bebas dan bilangan peroksida adsorben AE800 mencapai 54,74% dan 65,79%. Hasil penelitian ini menunjukkan bahwa temperatur kalsinasi sangat mempengaruhi karakteristik adsorben dan CTA memiliki potensi untuk dikembangkan sebagai adsorben untuk meningkatkan kualitas minyak jelantah dan bahan baku pembuatan katalis berbasis CaO.
Co-Authors Ahmad Fauzan Alifa Gunawan Yusuf Edi Wahyu Sri Mulyono Haryadi, Haryadi Karina Aulia Rahmawati Karina Aulia Rahmawati Keryanti, Keryanti Lili Indrawati Mentik Hulupi Nabila Sofiyani Naila Najiyah Nancy Siti Djenar Nida Nabilah Retno Indarti Riniati Rizka Amalia Nuriana Shalihatunnisa Shalihatunnisa Siti Fauziah Tiana Hasna Nabilah Troskialina, Lina Widya Tresna Dewi Widyabudiningsih, Dewi