Vol 12 No 3 (2025): Edition for January 2025 | Indonesian Journal of Chemical Research

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Published: 2025-01-24

Research articles

Chemical Constituent and Antioxidant Activity of Clove (Syzygium aromaticum) Bud and Leaf Essential Oils from Bali

I Wayan Muderawan, Pande Putu Diah Suci Laksmi, I Wayan Mudianta, Ni Wayan Martiningsih

173-182
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Abstract views 172 | PDF downloads 153 | DOI https://doi.org/10.30598/ijcr.2025.12-mud
The Analysis of the Ability NaOH Activated Rice Husk Ash Silica to Reduce Cl Ion Levels

Nurul Widya Febryzha, La Harimu, Wa Ode Mulyana, Ekacahyana Mandasari

183-189
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Abstract views 136 | PDF downloads 97 | DOI https://doi.org/10.30598/ijcr.2025.12-feb
Isolation of Carrageenan from Eucheuma cottonii by Variying Alkaline Solutions

Nelson Gaspersz, Matheis F. J. D. P. Tanasale, Dominggus Malle, Zulvia Astrianti Kafara

190-197
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Abstract views 171 | PDF downloads 120 | DOI https://doi.org/10.30598/ijcr.2025.12-gas
The Potential for On-Site Determination of Mn(II) using Eco-Friendly Natural Tannins: A Cost-Effective and Sustainable Approach

Pius Dore Ola, Domonika Pransa Kothan, Suwari Suwari, Luther Kadang, Dodi Darmakusuma

198-205
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Abstract views 146 | PDF downloads 160 | DOI https://doi.org/10.30598/ijcr.2025.12-ola
Potential of Shredded Ramie Fibers as Reinforcement in Recycled Polypropylene Composites: Analysis of Tensile and Bending Strength

Rina Afiani Rebia, Faroh Sabila, Ade Primananda

206-212
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Abstract views 179 | PDF downloads 113 | DOI https://doi.org/10.30598/ijcr.2025.12-reb
Hydrothermal Synthesis and Characterization of Sodalite from Feldspar Mesawa Minerals

Ida Ifdaliah Amin, Abdul Wahid Wahab, Paulina Taba, Rino R. Mukti, Giovanno Alvin S, Bulkis Musa, Hijrah A. Azis

213-219
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Abstract views 128 | PDF downloads 114 | DOI https://doi.org/10.30598/ijcr.2025.12-ami
Optimization of the Esterification Process of Crude Palm Oil (CPO) with Natural Zeolite Catalyst Using Response Surface Methodology (RSM)

Said Ahmad Fadhilah, Elma Fatkhurin, Ni Ketut Sari

220-228
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Abstract views 138 | PDF downloads 106 | DOI https://doi.org/10.30598/ijcr.2025.12-fad
Kinetic of Hexavalent Chromium (Cr(VI)) Removal by Corn Cob-Based Activated Carbon Modified with Nitric Acid

Wahyu Ratnaningsih, Vebri Aningtyas, Husna Muizzati Shabrina, Uma Fadzilia Arifin, Wisnu Prayogo, Muhammad Amin

229-237
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Abstract views 115 | PDF downloads 109 | DOI https://doi.org/10.30598/ijcr.2025.12-rat
Enhanced Recovery of Bioactive Compound from Pineapple Peel Using Ultrasonic-Assisted Extraction with Enzyme Treatment at Varying Extraction Time

Amalia Nur Kumalaningrum, Zulmilafatma Nurlita Arini, Jefri Pandu Hidayat

238-245
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Abstract views 256 | PDF downloads 94 | DOI https://doi.org/10.30598/ijcr.2025.12-kum
The Sediment Profile and Heavy Metal Content of Lead (Pb), Copper (Cu), and Silver (Ag) in The Waters of Saparua Island

Jaicson G. Anakotta, Yusthinus T. Male, Serly J. Sekewael, Nelson Gaspersz

246-255
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Abstract views 122 | PDF downloads 74 | DOI https://doi.org/10.30598/ijcr.2024.12-ana
The Analysis of The Absorption Capabilities of The Heavy Metal Mercury (Hg) in Mangrove Crab (Scylla serrata), Mangrove Snail (Telescopium telescopium) and Mangrove Clams (Polymesoda erosa)

Irsan Irsan, Yusthinus T. Male, Saifuddin Koto, Rosita Mangesa, Irwan Ismail, Siti Nuraisah, Widyawati Kabau, Firman Banjar

256-265
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Abstract views 124 | PDF downloads 77 | DOI https://doi.org/10.30598/ijcr.2025.12-irs
Iron Doped Calcium Manganese Oxide Cathode Materials for Aqueous Zinc Secondary Batteries

Gota Asano, Yoshiyuki Kojima

266-274
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Abstract views 179 | PDF downloads 116 | DOI https://doi.org/10.30598/ijcr.2025.12-asa