Vol. 2 No. 2 (2025): December

This edition has been available online since December 19, 2025, for the regular edition of December 2025. All articles in this issue (15 original research articles) written/co-written by 38 authors from 31 affiliates across 21 countries (Cambodia, New Zealand, India, South Korea, United Kingdom, Iraq, Kenya, Thailand, Malaysia, Philippines, Nigeria, Brazil, Ukraine, Australia, China, Hungary, United States, South Africa, Brunei Darussalam and Indonesia).

DOI: https://doi.org/10.37251/jocli.v2i2

Published: 2025-12-19

Articles

Effectiveness of Phosphorus and Nitrogen Removal in the Water Treatment Process at Khmer Beverages, Phnom Penh

Mardy Serey, Sreypov Chhorn, Chinda Chhe

133-141
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Enhancing Students’ Chemistry Learning Outcomes on Buffer Solutions through the Teams Games Tournament Cooperative Learning Model

Nurjanati Nurjanati, Istakapi Istakapi

142-150
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Activating Classroom Interaction through Think–Pair–Share: Evidence from Chemistry Learning

Roswati Roswati, Iin Wahyuni, Romi Afriani

151-158
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Enhancing Students’ Learning Outcomes through Cooperative Learning: A Classroom Action Research

Setiawati Setiawati, Eva Antony

159-167
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Enhancing Students’ Conceptual Understanding of Colloidal Systems through Inquiry-Based Chemistry Instruction

Rajendra Nivrutti Shirsat, Sang Yeon Lee

168-177
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The Effectiveness of the Jigsaw Learning Model in Improving Students’ Learning Outcomes in Carbon Chemistry

Theresia Ita Wijayanti, Steven J Field, Khawla Rashedy

178-185
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The Effect of Flash-Based Learning Media on Students’ Achievement in Learning Atomic Structure in Kenyan Senior High Schools

Jairus Bulimo Khamali, Helen Omondi Mondoh

186-192
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Evaluation of Chemical Health and Safety Management Using Task Risk Assessment in an Academic Chemical Process Laboratory

Wichitra Wongpromrat, Ermieza Sinin, Denise Ester Santiago-Sanchez

193-205
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Quantitative Evaluation of Oxidation Time, Dilute Acid Concentration and Acid Type on Indigo Yield from Indigofera Leaves: An Ethnochemical Approach to Sustainable Batik Dyeing

Amar Mualimin, Khoeurn Kimleang, Hyung Jun Jo

206-217
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Photocatalytic Degradation of Congo Red Textile Dye in Aqueous Solution Using TiO₂ Suspension

Patrick Okafor James Ogbunude, Jaime Souza, Alla Khanenko

218-229
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Evaluation of Chemical Health and Safety Practices and Exposure Risks in Undergraduate Chemistry Laboratory Practicum

Mutiah Ulfah, Vladimir Morozov, Dinesha Dabera

230-241
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Performance of Hybrid Coagulation–Adsorption as a Physicochemical Separation Process for Removal of Organic Pollutants and Heavy Metals from Chemical Laboratory Wastewater

Gang Dong, Ermieza Sinin, Fahad Abu Mallouh

242-252
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Comparative Spectral Sensitivity and Quantitative Accuracy of X-ray Fluorescence and Optical Emission Spectroscopy for Alloy Steel Characterization

Kazimierz Nowaczyk, Risky Hidayat Santoso Putra, Piroska Pataki

253-265
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Phytochemical Investigation of Mastigophora diclados: Isolation of a Herbertene-Type Sesquiterpenoid

Ferry Indar Ardiansyah, Moeketsi Freddie Tlali

266-273
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Improving Chemical Bonding Conceptual Understanding Using STAD Cooperative Learning Assisted by Interactive Media

Siong Tang, Lloyd Arvin Malalua

274-282
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Acceptance Rate :	35 %
Review Speed :	70 days
Issue Per Year :	2
Number of Volumes :	3
Number of Issues :	5
Number of Articles :	65
No. of Google Citations :	62
Google h-index :	6
Google i10-index :	1
Abstract Views :	1.321
PDF Download :	873