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INDONESIA
Indonesian Journal of Chemistry
Published by Universitas Gadjah Mada
ISSN : 14119420     EISSN : 24601578     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry
Indonesian Journal of Chemistry is an International, peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of chemistry including applied chemistry. The journal is accredited by The Ministry of Research, Technology and Higher Education (RISTEKDIKTI) No : 21/E/KPT/2018 (in First Rank) and indexed in Scopus since 2012. Since 2018 (Volume 18), Indonesian Journal of Chemistry publish four issues (numbers) annually (February, May, August and November).
Arjuna Subject : -
Articles 25 Documents
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Search results for , issue "Vol 23, No 1 (2023)" : 25 Documents clear
Synthesis, Characterization and Antimicrobial Activity of Complexes Metal Ions Ni(II), Zn(ΙΙ), Pd(II) and Pt(IV) with Polydentate 1,2,4-Triazole Ligand Sarab Mahdi Al-Alzawi; Mahmoud Najim Al-Jibouri; Anaam Majeed Rasheed; Sinan Midhat Al-Bayati
Indonesian Journal of Chemistry Vol 23, No 1 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.76716

Abstract

A new ligand of 1,2,4-triazole derivative was produced by cyclization of sodium dithiocarbamate derivative of ethyl 4-ethoxy-3-nitrobenzoate with carbon disulfide in an alkaline medium. The new ligand, entitled name: L: 4-amino-5-(3-ethoxy-5-nitrophenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione, was fully characterized depending on HPLC-MS, FTIR, 1H-NMR and 13C-NMR spectroscopies. In addition, the elemental microanalysis was carried out to confirm the skeletal structure of the ligand L. A library of complexes with Ni(II), Zn(II), Pd(II), and Pt(IV) metal ions was prepared by coordination with the ligand. These complexes were characterized by using FTIR, UV-Ѵis, 1H-NMR, 13C-NMR, spectrophotometric techniques, elemental analysis C.H.N.S, and FAAS. The physicochemical properties of these complexes were determined at 25 °C, such as melting point, magnetic susceptibility and molar conductivity. The microbial study confirmed that the novel ligand and its complexes have the potential to be applied as antimicrobial agents.
κ-Carrageenan/Sodium Alginate: A New Synthesis Route and Rapid Adsorbent for Hydroxychloroquine Drug Mohammed Kassim Al-Hussainawy; Layth Sameer Al-Hayder
Indonesian Journal of Chemistry Vol 23, No 1 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.76819

Abstract

In recent years, the huge amounts of chemicals that are used as drugs and their derivatives have been exposed to the environment due to the COVID-19 pandemic. Some of these drugs (i.e. hydroxychloroquine (HCQ)) have a serious risk on aquatic media. In this study, carrageenan/sodium alginate (κC/Sa) was investigated as a biopolymer, environmentally friendly, and rapidly adsorbent to eliminate HCQ from its aqueous solution. The biopolymer (κC/Sa) was synthesized by free radical polymerization assisted by ultrasound in the presence of acrylic acid as cross-linkage and potassium persulfate as an initiator. The natural κC/Sa was characterized by FTIR, XRD, BET, BJH, and SEM techniques. The produced co-polymer had a mesoporous surface with high purity and significant thermal stability. The best parameters were determined to be 0.05 g biopolymer, 200 ppm initial HCQ concentration, salts, and pH = 7. The adsorption mechanism follows a pseudo second-order kinetic model, and the adsorption isotherm follows a Freundlich model, with qe reaching 89.8 mg/g at 500 ppm HCQ. Thermodynamic studies indicated that the adsorption of hydroxychloroquine drugs was an exothermic spontaneous process.
T-grafting BODIPY-Based Photosensitizers: The Synthesis of 2,6-Diethylacrylic-8-(o-methoxyphenyl)BODIPY and Its DSSC Performance Reinner Ishaq Lerrick; Wastiana Bere; Meliana Da Silva Braga; Agus Supriyanto; Ali Hashem Essa
Indonesian Journal of Chemistry Vol 23, No 1 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.76919

Abstract

A new T-grafting photosensitizer of Dye-Sensitized Solar Cell (DSSC) has been developed by aligning Donor-Acceptor (D-A) group in an axially chiral BODIPY. Synthesis of the dye was conducted over a linear approach involving one-pot, non-oxidative synthesis of 1,3,5,7-tetramethyl-8-(o-methoxyphenyl)BODIPY, bromination, and finally C2/C6 ethyl acrylate Pd-Heck coupling to produce 65% of 2-ethylacrylic-1,3,5,7-tetramethyl-8-(o-methoxyphenyl)BODIPY (BOD-8) and 35% of 2,6-diethylacrylic-1,3,5,7-tetramethyl-8-(o-methoxyphenyl)BODIPY (BOD-9), both characterized by the appearance of acrylic alkenes at 6.05, and 7.63 ppm for BOD-8, and the additional 5.43, 7.80 ppm doublet peaks for BOD-9. The resulting dye showed excellent photon harvesting-related photovoltaic properties and electronic injection and regeneration processes where the acrylic esters were found to be the Donor and the aryl was the Acceptor. Eventually, the dye produced a current at 0.5% efficiency, similar to the horizontal D-A DSSC photosensitizer design.
An Overview of the Current State and Prospects for Oil Recovery from Oily Sludge Chinakulova Aigerim Nurlankyzy; Niyazbekova Rimma Kalmanbayevna; Khaldun Mohammad Al Azzam; Mukhambetov Gabit Mukhambetovich; Aimagambetova Raushan Zhanatovna; El-Sayed Negim; Serekpayeva Mira
Indonesian Journal of Chemistry Vol 23, No 1 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.77253

Abstract

Oily sludge is a solid emulsified waste created by the petroleum industry. Solid particles, crude oil, and water comprise most of their composition. Because it contains high concentrations of cycloalkanes, benzene series, polycyclic aromatic hydrocarbons, and other harmful and hazardous substances, it poses a severe risk to human health and the environment. It must be treated to reduce its toxicity. However, crude oil is a significant component of oily sludge and has a high recycling value. As a result, numerous procedures for extracting crude oil from oily sludge have been developed, including solvent extraction, pyrolysis, centrifugation, ultrasonic treatment, electronic treatment, flotation, supercritical treatment, and combination processes. The primary purpose of this review is to describe the evolution of various recycling technologies and to compare their benefits, drawbacks, and ways of action. This concept is expected to be the cornerstone for future recycling technology development.
Synthesis of Powdered [Mn(bipy)3](CF3SO3)2·5.5H2O: The Physical Properties and Antibacterial Activity Kristian Handoyo Sugiyarto; Dwi Anggi Marini; Hari Sutrisno; Dyah Purwaningsih; Cahyorini Kusumawardani
Indonesian Journal of Chemistry Vol 23, No 1 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.77565

Abstract

The synthesis of the complex containing manganese(II), bipyridine (bipy) as a ligand, and an anionic trifluoromethane sulfonate (triflate) is reported. The corresponding metal content, conductance, and DTG-TGA of the complex lead to the formula of [Mn(bipy)3](triflate)2·5.5H2O. The fully high-spin magnetic moment is observed, corresponding to five unpaired electrons in the metal ion. The electronic spectral bands suggest the three possible spin-forbidden transitions of the sextet to quartet states. The mode of vibrations of the IR spectrum supports the typical ring of bipy, and the triflate. The images of SEM-EDX indicate the presence of the corresponding elemental content and reflect the relatively high crystallinity, as it is evidenced in the profile of the corresponding powdered diffractogram. The refinement of powdered XRD following the Le Bail program suggests being structurally triclinic symmetry of P21/c. This complex shows inhibition of bacterial activity against S. aureus and E. coli.

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