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INDONESIA
Indonesia Chimica Acta
Published by Universitas Hasanuddin
ISSN : 2085014X     EISSN : 26556049     DOI : -
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering
Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) is a peer-reviewed research journal that is devoted to the dissemination of new and original knowledge in all branches of chemistry. The result of research and development in the fields of chemistry in both experimental and theory/ computation, chemical-based technological innovations, and chemical applications in industrial fields. The journal publishes original research articles or review articles in organic chemistry, inorganic chemistry, analytical chemistry, physical chemistry, biochemistry, and environmental chemistry.
Arjuna Subject : -
Articles 142 Documents
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Effect of Activated Bentonite Concentration on the Characteristics of Virgin Coconut Oil (VCO) via Enzymatic Method Pratiwi, Ananda Elga
Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) Vol. 18 No. 1 (2025): Volume 18, No 1: June 2025
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70561/ica.v18i1.43944

Abstract

This study aimed to evaluate the effectiveness of activated bentonite in improving the quality of Virgin Coconut Oil (VCO). The quality of VCO is strongly influenced by moisture content, free fatty acids, and peroxide value. In this study, VCO was produced using an enzymatic method with papain and then purified using activated bentonite at concentrations of 3%, 5%, and 10%. The quality parameters analyzed included moisture content, free fatty acids (FFA), peroxide value, specific gravity, viscosity, and organoleptic attributes such as aroma, color, and taste. The results showed that 10% activated bentonite provided the best performance, with FFA at 0.174%, peroxide value at 0.99 mEq/kg, specific gravity at 0.4524 g/mL, moisture content at 0.0026%, and viscosity at 10.47 cP. Organoleptic tests indicated improvement in aroma, color, and taste. Therefore, the use of activated bentonite has been proven effective in enhancing the quality characteristics of VCO in accordance with the Indonesian National Standard (SNI).
Effectiveness of Kiambang Plant (Salvinia molesta) in Phytoremediation of Copper (Cu) Heavy Metal at Various Concentrations Awaluddin, Muhammad
Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) Vol. 18 No. 1 (2025): Volume 18, No 1: June 2025
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70561/ica.v18i1.43963

Abstract

This study aimed to determine the effectiveness of the kiambang plant (Salvinia molesta) in reducing copper (Cu) heavy metal concentrations in water bodies through phytoremediation. Copper concentrations of 3 ppm, 6 ppm, 9 ppm, 12 ppm, and 15 ppm were applied, and observations were conducted over seven days using a UV-Vis spectrophotometer at a wavelength of 445 nm. The results showed a significant effect of Cu concentration variation on the plant’s phytoremediation capacity, as indicated by the One Way ANOVA test (F-count 73.064 > F-table 3.05; p < 0.05). The highest remediation efficiency was observed at the 15 ppm concentration. Kiambang plants proved effective as phytoremediation agents in mitigating copper heavy metal pollution in aquatic environments.

Page 15 of 15 | Total Record : 142

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