Published: Dec 29, 2025

Articles

Formulation and Characterization of Soursop Leaf extract (Annona muricata L.) Nanoemulsion Using VCO and Tween 80

10.22487/kovalen.2025.v11.i2.17827
54-62 Ratih Dyah Puspitasari, Desfira Sarani, Dina Erliana, Munifilia Ekasari
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Read Statistic: 206

XRD-Based Structural and Crystallite Size Analysis of Nano-MgO Prepared via Sol–gel Method

10.22487/kovalen.2025.v11.i2.17909
63-72 Imas Masriah, Devi Lestari, Sulwiyatul Kamariyah Sani, Inten Pangestika, Dikki Miswanda
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Read Statistic: 183

Modification of Areca Nut (Areca catechu L.) Peel Hydrochar for Photodegradation of Methylene Blue

10.22487/kovalen.2025.v11.i2.17922
73-80 Eva Musifa, Neza Rahayu Palapa, Titah Maharti Nugraheni, Miftahun Naimah
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Read Statistic: 140

Effect of Column Diameter on the Performance of an Ion Exchange System in Reducing Water Hardness

10.22487/kovalen.2025.v11.i2.17907
81-93 Widya Yeni Rawati, Sunardi, Sri Widarti, Sumarja, Muhammad Nur Alim
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Read Statistic: 85

Preconcentration of Cr (VI) Using Ca-Alginate-EDTA Microcapsules in a Column System for UV-Vis Spectrophotometric Analysis

10.22487/kovalen.2025.v11.i2.17918
94-105 Ika Yekti Lianasari, Aman Sentosa Panggabean, Resma Lita Farlianti
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Read Statistic: 92