Vol. 7 No. 1 (2025): Journal of Chemical Natural Resources (JCNaR)

View Vol. 7 No. 1 (2025): Journal of Chemical Natural Resources (JCNaR)

Published: 2025-02-28

Articles

Analysis of River Water Quality in Medan Belawan Regency based on the Diversity Index of Aquatic Insects as an Effort to Improve the Health of River Ecosystems from Heavy Metal Contamination (Ni)

Muhammad Taufik, Helen Gandaria Situmorang, Zul Alfian

1-9
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Phytochemical Screening, Determination of Total Phenolic Contents and Total Flavonoid Contents of Pod Purified Extract from Caesalpinia pulcherrima (L.) Sw.

Sovia Lenny, Febriyanti Br Surbakti, Juliati Br Tarigan

10-19
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Exploring the Effect of Ethylenediamine Concentration on the Optical Properties of Carbon Dots Synthesized from Candlenut Shell Biomass

Marpongahtun Marpongahtun, Tjut Siti Safhura, Amir Hamzah Siregar

20-29
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Synthesis and Characterization of Acid-Hydrolyzed Breadfruit Starch (Artocarpus altilis) Nanoparticles as a Potential Carrier for Doxorubicin

Cut Fatimah Zuhra, Siti Rahmawati, Juliati Br. Tarigan

30-38
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Synthesis of Ester from Waste Cooking Oil (WCO) and Pentaerythritol via Dean-Stark Distillation for Potential Use as Biolubricant

Juliati Br Tarigan, Ebenezer Primsa Ginsu, Cut Fatimah Zuhra

39-48
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Antibacterial Soap from Extract Spent Coffee Grounds using Microwave-assisted Extract Against Staphylococcus aureus

Juli Novita Sari, Marina Wulandari Nasution, Agung Pratama

49-57
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Green Synthesis of Barium Doped Titanium Dioxide Using Palm Leaf Extract (Elaeis guineensis Jacq.)

Andriayani Andriayani, Henny Dumarta Hutapea, Muhammad Taufik

58-65
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Physicochemical Characterization of Kefir Combination from Goat Milk and Almond Milk

Rini Hardiyanti, Muhammad Taufik, Alensia Estetika Manalu, Elsa Priskila, May Rifani Br Ginting, Zabdan Ahmad Arrazi

66-70
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Validation Method of 3,4-Methylenedioxymethamphetamine (MDMA) Analysis Using Gas Chromatography Mass Spectroscopy

Muhammad Taufik, R. A. Fani Miranda, Andriayani

71-79
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Modification of Hydrophobic Polymer-Based Membranes with Gambir Tannin as a Natural Additive to Reduce Humic Acid in Water

Ilham Perkasa Bako

80-86
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