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All Journal Indonesia Chimica Acta
Muhammad Arham Yunus
Universitas Hasanuddin post graduate
Chemical Engineering, Chemistry & Bioengineering

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Extraction Cellulose From Rice Husk Muhammad Arham Yunus
Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) Volume 12, No 2: December 2019
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ica.v12i2.6559

Abstract

Abstract. Cellulose from rice husk has been successfully synthesized. Rice husk is an abundant agricultural waste and has a high cellulose content. Bioconversion of rice husk into cellulose begins with the stages of delignification and bleaching. The resulting cellulose was characterized using FTIR and XRD. The IR spectra show a strong absorption peak at 3444.87 cm− 1 which is associated with stretching vibrations O − H (hydrogen bonds between molecules), absorption peaks at 1033.85 cm− 1 are identified as stretching C − O − C which is β bond −1,4 glycosidic from cellulose. XRD shows the particle size of cellulose which is 3.44 nm and has crystallinity of 58.73%. These results indicate that cellulose from rice husk has good characteristics.              Keywords: Rice Husk, Cellulose, FTIR, XRD
The Synthesis, Characterization Gd(Iii) Complex with Heptilmethyl- Ditiocarbamate and 2,9-Dimethyl Phenanthroline as Anti-Tuberculosis Muhammad Arham Yunus; Raya Indah; Nurfiansyah Nurfiansyah; Septiani Mimin
Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) Volume 16, No 1: June 2023
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ica.v16i1.26900

Abstract

Mycobacterium tuberculosis is a bacterium that causes tuberculosis infection disease. The aim of this study was to produce complex compounds that have the ability to damage the cell wall of Mycobacterium tuberculosis. Gd(III)Heptylmethyldithiocarbamate 2,9-dimethyl phenanthroline complex was synthesised and characterised by reacting N-heptylmethylamine, carbondisulphide, 2,9-dimethyl phenanthroline and lanthanide group metal ion (Gadolinium) using in situ method. Characterisation was carried out using electrothermal melting point, conductometer, UV-Vis spectrophotometer, and FT-IR spectrophotometer. The resulting Gd(III)Heptylmethyldithiocarbamate 2,9-dimethyl phenanthroline complex was white in colour as much as 7.01%, conductivity 20 Ω-1 and melting point 208-210o C. Testing of complex compounds gave effective results as antibacterial Mycobacterium tuberculosis.
Co-Authors Nurfiansyah Nurfiansyah Raya Indah Septiani Mimin