Vol. 9 No. 1 (2026): JANUARY 2026

Articles

• Effect of Fixatives on the Thermal Stability of Perfume Formulations from Rose, Jasmine, and Frangipani Extracts

  Dwi Sapri Ramadhan, Gita Dwi Ayu, Jenny Lasria Florita, Feny Christin Silaen, Caecilia Antonia Purba, Moondra Zubir, Ani Sutiani, Dian Wardana, Wulan Dwi Safitri, Jam'an Fahmi

  1-12

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• The Effect of Composition, Temperature, and Mole Fraction on Solubility in Ternary Diagram of Oil, Water, Soapnuts (Sapindus Rarak DC.)

  Maria Yovinta Silitonga, Amanda Revalona Sitepu, Cynthia Crasela Siregar, Edwin Pakpahan, Moondra Zubir, Ani Sutiani

  13-19

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• Corrosion Reaction Kinetics of Rusty Iron in HCl, H₂SO₄, and NaOH: Determination of Reaction Order and Dissolution Rate

  Dian Wardana, Andhika Febrian Pulungan, Meisya Hasiana Pasaribu, Syakira Azmi Aurellia, Dilla Rama Dina, Ike Wijaya Sinaga, Bella Junita Sari Br. Tamba, Ahmad Nasir Pulungan, Moondra Zubir, Dwi Sapri Ramadhan, Jam’an Fahmi, Wulan Dwi Safitri

  20-27

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• Effect of Temperature on the Substitution Equilibrium of Longan, Beetroot, and Coconut Juice on the Total Acid Content and Vitamin C Content of Cow's Milk Yogurt

  Cindy Andriyani Siallagan, Chaira Adinda Rambe, Dinda Salsabillah, Kartika Tri Aullia Upara, Ribka Angeli Sinaga, Zuky Andus Rivaldi Situmorang, Ahmad Nasir Pulungan, Moondra Zubir

  28-35

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• Experimental Observation of Phase Behavior and Turbidity in Oil–Water–Sodium Hypochlorite Ternary Systems

  Jam’an Fahmi, Grandy Sihotang, Fonniatul Nadia Dulay, Ribka Nadiati Pakpahan, Nurfrida sinulingga, Nurul Hadawiyah Harahap, Uci Grasia Tarigan, Moondra Zubir, Dian Wardana, Dwi Sapri Ramadhan, Wulan Dwi Safitri

  36-43

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• Kinetics of extraction of essential oils from ginger variations (Zingiber officinale Rosc.)

  Immanuel Veron Silitonga, Utari Nurhalizah Saragih, Nola Siregar, Evi Sartika Purba, Maria Sipahutar, Rindu Antika, Ahmad Nasir Pulungan, Moondra Zubir

  44-49

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• Temperature Effect on Oil Solubilization Kinetics and Activation Energy of Moringa oleifera Biosurfactant Detergent

  Wulan Dwi Safitri, Dita Indah Lorencia Silitonga, Amelia Rahmadhani, Lisna Sevta Siburian, M. Fisal, Riri Reh Riahna Bangun, Moondra Zubir, Ani Sutiani, Dwi Sapri Ramadhan, Dian Wardana, Jam'an Fahmi

  50-59

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• The Effect of Acid Activator Type on Character Biochar from Coconut Shell as a Heterogeneous Catalyst Carrier

  Khairun Nisa Argianti, Ricky Andi Syahputra, Lisnawaty Simatupang, Zuhairiah Nasution

  60-69

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• Preparation and Characterization of Biochar from Coconut Shells with The Addition of Cu Metal as a Heterogeneous Catalyst

  Sarah Umairoh, Ricky Andi Syahputra, Marini Damanik

  70-79

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• Preparation and Characterization of Adsorbents from Tea Drains Coated With Nanochitosan From Green Mussels Shells

  Gabriela Stevanny, Herlinawati

  80-89

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• Synthesis and Characterization of Liquid Natural Rubber (LNR) from SIR-10 as a Basic Material for Making Rubber Compounds

  Muhammad Sultan Safruddin, Eddiyanto, Dian Wardana

  90-98

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• Preparation of Banana Peel Activated Carbon Coated with Nanochitosan from Shrimp shells

  Herlinawati Herlinawati, Zata Zahirah

  99-105

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• The Effect of Alkaline Base Activator Type on Biochar Character of Coconut Shell as a Heterogeneous Catalyst Support

  Diana Zahra Safitri, Ricky Andi Syahputra

  106-115

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• Synthesis of Zeolite from Fly Ash and Aluminum Can Waste as a Nickel (Ni) Adsorbent

  Adhitya Shahrian Putra, Rica Ariani Purba, Iis Siti Jahro, Lisnawaty Simatupang

  116-121

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• Optimization of Drying with a Food Dehydrator on the Quality of Tinuktuk Powder

  Meidy Citra Pratiwi, Fitri Mutia, Shafira Sugiri, Marini Damanik

  122-128

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• Characterization of the Physical and Biodegradation Properties of Biodegradable Plastic from Carboxymethyl Cellulose, Young Coconut Shells and Cassava Starch

  Putri Faradilla, Rini Selly, Adelia Febriyossa, Moondra Zubir, Siti Rahmah, Dwi Sapri Ramadhan, Tesalonika Bela

  129-136

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• Physical Properties of Polymer Composit Reinforced by Salak Bark Fiber (Salacca zalacca) and Nipah Bark Fiber (Nypa frutican)

  Nurfajriani, Muhammad Yusuf, Herlinawati, Mutia Ardila, M. Weryninda

  137-142

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• The Improvement of Mechanical Properties of PCL/Microcellulose Biocomposites from Corn Cobs by Adding PCLacac as a Compatibilizer

  Muhammad Yusuf, Bagus Kurniawan, Nurfajriani Nurfajriani, Rudi Munzirwan Siregar, Innayah Wulandari

  143-149

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• Chemical Composition and Quality Parameters of Citronella (Cymbopogon nardus) Essential Oil Based on GC–MS and Physicochemical Analysis

  Dwi Sapri Ramadhan, Warsito, Risna Silvianti, Maf'ud Cahayo, Vina Octavia Azzahra

  150-157

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• Utilization of Coconut Shell Activated Carbon as an Eco-Friendly Adsorbent for Cu(II) Remediation in a Continuous Column System

  Isma Uly Maranggi, Syariful Maliki, Linda Ekawati, Dwi Indah Lestari, Zeolita Prabu Putri

  158-167

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• A Review: Modified Graphene-Based Voltammetric Sensors for Heavy Metal Detection in Water Samples

  Andi Eka Kartika, Satria Putra Jaya Negara

  168-179

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