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. 1 (2022): April Edition

Published: Apr 29, 2022

Synthesis and Performance Evaluation of Cellulose-based Slow-release Fertilizer: A Review

1-16 Dhyna Analyes Trirahayu, Ridwan P. Putra, Achmad Syarif Hidayat, Muhammad Iqbal Perdana, Erwina Safitri
Read Statistic: 65

Aplikasi Antibakteri Nanopartikel Perak (NPAg) Hasil Biosintesis dengan Ekstrak Air Daun Kemangi

Application of Antibacterial from Silver Nanoparticles (AgNPs) Biosynthesis with Basil Leaf Extract

17-24 Gusti Ayu Dewi Lestari, Pande Made Desy Ratnasari, James Sibarani
Read Statistic: 32

Pengaruh Metode Hidrolisis Terhadap Karakteristik Kimia Senyawa Kalsium Hasil Ekstraksi dari Cangkang Telur Ayam

The Effect of Hydrolysis Methods on Chemical Characteristics of Extracted Calcium Compounds from Chicken Eggshells

25-31 Yurikke Julieta Permata Putri Sunarya, Yuni Kustiar, Nancy Siti Djenar, Ayu Ratna Permanasari
Read Statistic: 41

Sintesis Bioplastik Ramah Lingkungan Berbasis Pati Biji Durian dengan Filler Selulosa Sabut Kelapa

Synthesis of Environmentally Friendly Bioplastic Based on Durian Seed Starter with Coconut Cellulose Filler

32-38 Ria Nurwidiyani, Ghufira, Nesbah, Deni Agus Triawan
Read Statistic: 24

Analisis Kandungan Merkuri (Hg) pada Badan Air, Sedimen dan Biota yang Terdampak Aktivitas Pertambangan Emas di Kabupaten Parigi Moutong

Analysis of Mercury (Hg) Content in Water Bodies, Sediments, and Biota Affected by Gold Mining Activities in Parigi Moutong District

39-44 Ernawaty Rasul, Musafira Musafira
Read Statistic: 21

Analisis Parameter Spesifik dan Nonspesifik Simplisia Daun Bawang Merah (Allium cepa L.)

Analysis of Specific and Nonspecific Parameters of Shallot (Allium cepa L.) Leaves Simplicia

45-52 Neneng Dwi Yana, Burhanudin Gummay, Mauritz Pandapotan Marpaung
Read Statistic: 25

Verifikasi Metode Pengujian Kadar Nitrit dalam Air Limbah Secara Spektrofotometri UV-Visibel

Verification of a UV-Visible Spectrophotometry Method for Analysis of Nitrite Levels in Wastewater

53-59 Imas Solihat, Ardina Purnama Tirta, Agung Pratama Ramdani, Achmad Nandang Roziafanto
Read Statistic: 23

Isolasi dan Pemurnian Protein dari Lembaga Jagung (Corn Germ) Menggunakan Metode Presipitasi dan Dialisis

Protein Isolation and Purification from Corn Germ Using Precipitation and Dialysis Methods

60-66 Nancy Siti Djenar, Joko Suryadi
Read Statistic: 28

Pembuatan Konsentrat Protein Ampas Tahu Menggunakan Garam Ammonium Sulfat

Manufacturing of Tofu Pulp Protein Concentrate Using Ammonium Sulphate

67-73 Nurhaeni, Frischa Sari Kencana, Andi Tenri Ajeng, Khairuddin, Prismawiryanti, Syamsuddin, Dwi Juli Puspitasari , Indriani, Erwin Abdul Rahim
Read Statistic: 21

Viskositas dan Aktivitas Antibakteri Sabun Cair Berbasis VCO dengan Penambahan Ekstrak Etanol Daun Kelor (Moringa oleifera) Terhadap Bakteri Patogen

Viscosity and Antibacterial Activity of VCO-Based Liquid Soap with Addition of Ethanol Extract of Moringa Leaf (Moringa oleifera) Against Pathogenic Bacteria

74-82 Pasjan Satrimafitrah, Mohamad Afdal, Jusman, Abd. Rahman Razak, Ahmad Ridhay; Nov Irmawati Inda
Read Statistic: 23

Determination of Mercury (Hg) and Lead (Pb) in Sedimen of Batanghari River in Dharmasraya Regency

83-91 Mawardi; Rahma Juita; Fadhlurrahman Mawardi; Kori Ariani, Nindia Novari; Irfan Ananda Ismail
Read Statistic: 45

Penggunaan Karbon Aktif dari Tandan Kosong Kelapa Sawit Teraktivasi NaOH pada Penyerapan Ion Pb(II)

Utilization of NaOH-Activated Carbon from Oil Palm Empty Fruit Bunches on Pb(II) Ion Absorption

92-98 Minda M, Husain Sosidi, Ni Ketut Sumarni, Hardi Ys., Ruslan, Nov Irmawati Inda, Moh. Mirzan
Read Statistic: 26
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