Published: Dec 29, 2022

Articles

Sintesis dan Karakterisasi Fe₂TiO₅ dari Besi Oksida dan Titanium Dioksida dengan Metode Planetary Ball-Mill

Synthesis and Characterization of Fe₂TiO₅ from Iron Oxide and Titanium Dioxide Using the Planetary Ball-Mill Method

10.22487/kovalen.2022.v8.i3.15644
210-214 Laode Kadir, M. H Azis, S. Musiam, V. A. Fabiani, Karnelasatri, D. Permana, T Azis, Syahrir
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Read Statistic: 445

Aktivitas Afrodisiak Ekstrak Etanol Daun Tumbuhan Bungkus (Smilax rotundifolia L.) terhadap Fertilitas Tikus Putih Jantan (Rattus norvegicus)

The Aphrodisiac Activity of Ethanol Extract of Bungkus Leaf (Smilax rotundifolia L.) on The Fertility of White Male Rats (Rattus norvegicus)

10.22487/kovalen.2022.v8.i3.15825
215-221 Ayu Wulandari, Recky Patala, Kiki Rizki Handayani, Monica Sandra Makatang
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Read Statistic: 841

Pengaruh dari Konsentrasi Elektrolit Tembaga Asetat-Asam Asetat dan Temperatur terhadap Efisiensi Arus pada Elektrodeposisi Baja Karbon Rendah dengan Tembaga

Effect of Electrolyte Concentration of Copper Acetic-Acetic Acid and Temperature on Current Efficiency in Electrodeposition of Low Carbon Steel with Copper

10.22487/kovalen.2022.v8.i3.16023
222-229 Widya Yeni Rawati, Warsono, Sri Widarti
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Penambatan Molekuler Penghambatan Aktivitas Enzim α-Amilase dan α-Glukosidase oleh Senyawa Aktif Daun Kirinyuh (Chromolaena odorata L.)

Molecular Docking for Inhibition of α-Amylase and α-Glucosidase Enzyme Activities by Active Compounds of Kirinyuh Leaves (Chromolaena odorata L.)

10.22487/kovalen.2022.v8.i3.16046
230-237 Nelson Gaspersz, Matthew Adi Honey Amos, Sitti Hardiyanti Kalauw, Indrid Harjuni, Mario R. Sohilait
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Read Statistic: 512

Studi Pemanfaatan Limbah Cair Ikan dan Udang sebagai Substrat dalam Produksi Listrik pada Sistem Microbial Fuel Cell (MFC)

Study of Utilization of Fishery and Shrimp Wastewater as Substrate in Electricity Production in Microbial Fuel Cell (MFC) System

10.22487/kovalen.2022.v8.i3.16033
238-247 Alfiah Alif, Muhamad Jalil Baari, Amalyah Febryanti
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Read Statistic: 815

Ekstraksi Teh Hijau dan Aplikasinya sebagai Pengendali Korosi Pada Pompa di Lingkungan Garam NaCl 3,56%

Green Tea Extraction and Its Application as Corrosion Controller in 3.56% NaCl

10.22487/kovalen.2022.v8.i3.16160
248-257 Retno Indarti
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Read Statistic: 427

Efektivitas Fotodegradasi Lignin dari Limbah Ampas Sagu (Metroxylon sagu Rottb.) Menggunakan Katalis TiO₂

The Effectiveness of the Photodegradation of Lignin from Sago (Metroxylon sagu Rottb.) Waste Using TiO₂ Catalyst

10.22487/kovalen.2022.v8.i3.16149
258-265 Muh. Natsir, Aden Mula Pratiwi, Thamrin Azis, Nohong, Imran, Wa Ode Harlis, Alimin, La Ode Kadidae, Ruslan, C Bijang, La Ode Abd Kadir, Laily Nurliana
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Read Statistic: 226

Adsorpsi Ion Pb(II) Menggunakan Silika Berbasis Pasir Alam Takari-NTT

Ion Pb(II) Adsorption Using Silica from Natural Sand of Takari-NTT

10.22487/kovalen.2022.v8.i3.16143
266-279 Johnson N. Naat
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Read Statistic: 291

Arang Aktif Ampas Tebu Termodifikasi Kitosan sebagai Adsorben Tetrasiklin: Pemanfaatan Metode Kolom

Chitosan Modified Sugarcane Bagasse Activated Charcoal as Tetracycline Adsorbent: Utilization of the Column Method

10.22487/kovalen.2022.v8.i3.16090
280-291 Gatut Ari Wardani, Adinda Nur Octavia, Mochamad Fathurohman, Taufik Hidayat, Estin Nofiyanti
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Read Statistic: 648

Pengaruh Konsentrasi Ekstrak Daun Eboni dan Daun Sirsak Terhadap Retensi Bahan Pengawet pada Kayu Durian (Durio zibethinus)

The Effect of Concentration of Ebony and Soursop Leaves Extracts on Retention of Preservatives in Durian Wood

10.22487/kovalen.2022.v8.i3.16127
292-297 Asniati, Muthmainnah
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Read Statistic: 326

Evaluasi Kadar Senyawa Fenolat, Flavonoid Total, serta Aktivitas Antioksidan Secara in vitro dalam Ekstrak Metanol Bawang Dayak (Eleutherine palmifolia (L.) Merr

Evaluation of Phenolic Compounds, Total Flavonoid Content and in vitro Antioxidant Activity of Methanol Extract of Dayak Onion Bulbs (Eleutherine palmifolia (L.) Merr

10.22487/kovalen.2022.v8.i3.16175
298-307 Farida Laila, Ika Resmeliana, Wina Yulianti, Atep Dian Supardan
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Read Statistic: 500

Analisis Kadar Merkuri (Hg) pada Rambut Pekerja Tambang di Pertambangan Emas Tanpa Ijin (PETI) Kabupaten Parigi Moutong dalam Hubungannya dengan Frekuensi Konsumsi Ikan

Analysis of Mercury (Hg) Levels in Hair of Gold Miners at Ilegal Gold Mining Activities of Parigi Moutong Regency in Relation to Frequency of Fish Consumption

10.22487/kovalen.2022.v8.i3.16121
308-313 Musafira, Ernawaty Rasul
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Potensi Cangkang Telur Ayam dan Cangkang Telur Bebek sebagai Bioadsorben Logam Pb dari Limbah Cair Industri Farmasi

Potency of Chicken Eggshells and Duck Eggshells as Pb Metal Bioadsorbents from Pharmaceutical Industry Liquid Waste

10.22487/kovalen.2022.v8.i3.16133
314-325 Lisna Dewi, Ginayanti Hadiesobroto, Hesty Nuur Hanifah
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Validasi Metode Penetapan Kadar Logam Kadmium (Cd) dalam Sampel Tanah Menggunakan Spektrofotometer Serapan Atom (SSA)-Nyala

Validation of the Method Determination of Cadmium Metal (Cd) Using Flame Atomic Absorption Spectrophotometer (AAS)

10.22487/kovalen.2022.v8.i3.16028
326-335 Tita Rosita, Dewi Arfina Prasetyo Ningrum, Yuli Yanti, Zaekhan
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Read Statistic: 1043