Journal Description

KOVALEN: Jurnal Riset Kimia is a peer-reviewed journal of chemistry that published by the Chemistry Department, Tadulako University, Indonesia. This journal concern with publishing the original research articles, review articles, and the current issues related to chemistry. Publishing frequency 3 issues per year, in April, August, and December. KOVALEN has been established since 2015 with volume 1 no 1 (December 2015) and has been accredited by DIKTI in the SINTA 4 category (No. 164/ E/ KPT/2021).


ISSN: 2477-5398 (electronic)


The Scope of this journal including:
1. Theoretical and environmental chemistry study
2. Material and biomaterial synthesis, including their application 
3. Isolation, purification, and modification of the natural product
4. Development and validation of analytical methods
5. Isolation and application of enzyme

Vol. 8 No. 2 (2022): August Edition

Published: Aug 30, 2022

Identifikasi Senyawa Fraksi Larut n-Heksana Rimpang Temu Mangga (Curcuma mangga Val) Menggunakan LC-MS/MS dan Review Potensinya sebagai Antibakteri

Identification of Compounds Soluble n-Hexane Fraction of Rhizome of Temu Mangga (Curcuma mango Val) Using LC-MS/MS and Review of its Potential as Antibacterial

99-112 Purwantinigsih Sugita, Risda Fardilya Nihayah, Moch Ikkbal Aditya Kasmaran, Gustini Syahbirin, Auliya Ilmiawati, Budi Arifin, Luthfan Irfana
Read Statistic: 186

Delaminasi Perekat Polivinil Asetat Berbasis Air Satu Komponen untuk Aplikasi Kayu Keras Ulin dan Merbau

Delamination on Polyvinyl Acetate Water Based Adhesive One Component for Ulin and Merbau Hard Wood Working Application

113-119 Retno Indarti, Agustinus Ngatin, Robby Sudarman, Tifa Paramitha, Rony Pasonang Sihombing
Read Statistic: 103

Sintesis dan Karakterisasi Carbon Nanodots dengan Metode Microwave Assisted Extraction

Synthesis and Characterization of Carbon Nanodots with Microwave Assisted Extraction

120-126 Mentik Hulupi, Haryadi, Nabila Sofiyani, Rizka Amalia Nuriana, Retno Indarti, Fauzi Abdilah
Read Statistic: 96

Pengaruh Penambahan Minyak Zaitun Terhadap Karakteristik dan Reologi Edible Film Berbahan Dasar Gluten

The Effect of Addition of Olive Oil on The Properties and Rheology of Gluten-Based Edible Films

127-141 Nancy Siti Djenar, Joko Suryadi, Nisa Siti Nursaadah, Erina Putri
Read Statistic: 140

Potensi Minyak Herbal STIFA Pelita Mas Terhadap Kadar Ureum dan Kreatinin Tikus Kondisi Hiperglikemik

Potency of STIFA Pelita Mas Herbal Oil on Ureum and Creatinine Levels of Rats Hyperglycemic Conditions

142-149 Joni Tandi, Dewi Astuti, Magfirah Magfirah, Tien Wahyu Handayani
Read Statistic: 61

Optimization and Kinetic Study of Ende-Natural Zeolite as Candidates of Ammonia Adsorbent on Broiler Chicken Litter

150-157 Abner Tonu Lema, Cytske Sabuna, Yehezkial Wila Balu
Read Statistic: 56

Antioxidant Potential of Ethanol Extract from Mango Parasite (Dendrophthoe petandra) to Maintain Crude Palm Oil (CPO) Quality

158-164 Ninik Triayu Susparini, Rohmatulloh, Boima Situmeang, Isna Lailatusholihah, Siti Rohmiyati
Read Statistic: 51

Pengaruh Konsentrasi Inhibitor dari Eceng Gondok dalam Air Hujan dan Air Kran terhadap Laju Korosi

Effect of Water Hyacinth Inhibitor Concentration in Rain Water and Tap Water Media on Corrosion Rate

165-170 Emma Hermawati, Yunus Tonapa Sarungu, Bambang Soeswanto, Rispiandi, Alfiana Adhitasari, Sudrajat Harris Abdulloh, Rony Pasonang Sihombing, Retno Indarti
Read Statistic: 89

Penurunan Kadar Chemical Oxygen Demand (COD) pada Limbah Cair Industri Tahu Menggunakan Arang Aktif dari Pelepah Kelapa Sawit (Elaeis guenensis Jacq.)

Reducing Chemical Oxygen Demand (COD) Levels in Tofu Industrial Liquid Waste Using Activated Charcoal from Palm Oil (Elaeis guenensis Jacq.) Mid-ribs

171-177 Khairuddin, Ruslan Ruslan, Muh.Ricky Arisandi M. Tahili, Dwi Juli Puspitasari , Indriani, Husain Sosidi, Prismawiryanti, Moh. Mirzan
Read Statistic: 93

Validation of Boron Analytical Methods on Standard Reference Material Tomato Leaves from NIST No. 1573a with Isothermal Distillation by UV-Vis Spectrophotometry

178-183 Isna Lailatusholihah, Roto, Agus Kuncaka, Ninik Triayu Susparini
Read Statistic: 65

Aktivitas Antibakteri Ekstrak Kulit Batang Tumbuhan Johar (Senna siamea Lam) pada Berbagai Polaritas Pelarut

Antibacterial Activity of Johar (Senna siamea Lam) Stem Bark Extract on Various Solvent Polarities

184-195 Djumidar, Abd. Rahman Razak, Ahmad Ridhay, Ni Ketut Sumarni, Syamsuddin, Jusman, Nurhaeni, Erwin Abdul Rahim
Read Statistic: 138

Pengaruh Penyimpanan dan Lama Pemanasan Terhadap Kadar Asam Galat pada Kacang Tanah (Arachis hypogaea L.)

Effect of Storage and Heating Time on Gallic Acid Levels in Peanuts (Arachis hypogaea L.)

196-201 Devyana Dyah Wulandari, Ersalina Nidianti, Ary Andini, Rahmawati Fitri Awalia, Halimah Prisilia
Read Statistic: 108

Potensi Ekstrak Batang Kayu Gempol (Nauclea orientalis L.) dalam Menghambat Pertumbuhan Bakteri

Potency of Gempol (Nauclea orientalis L.) Stem Extracts to Inhibiting Bacterial Growth

202-209 Ni Kadek Atmiyanti, Pasjan Satrimafitrah, Abd. Rahman Razak, Nov Irmawati Inda, Indriani, Dwi Juli Puspitasari
Read Statistic: 97
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