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Edi Elisa
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INDONESIA
Journal of The Indonesian Society of Integrated Chemistry
Published by Universitas Jambi
ISSN : 20851715     EISSN : 26215543     DOI : https://online-journal.unja.ac.id/jisic
Core Subject : Science, Education, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Education
Journal of the Indonesian Society of Integrated Chemistry (JISIC) accepts unpublished, high quality, and original research manuscripts in either English or Indonesian; resulting primarily from quantitative, qualitative, or mixed research in sync with Chemistry education. These issues include, but not limited to, practices, policies, and research in Chemistry education covering the area of: 1. Chemical Education, Lesson Study or Classroom Action Research 2. Source/Material/Learning Education for Chemistry 3. Curricullum of Chemical Education 4. Chemical Laboratory Management 5. Evaluation of Chemical Education 6. Educational Profession, specially teachers of Chemistry Subject JISIC will not accept research articles or manuscripts submitted for publication elsewhere. JISIC does not publish book reviews, program evaluations or research articles merely explaining programs, courses, or personal experiences.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 165 Documents
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Kinetics and Adsorption Efficiency of Fe(III) by Fe-IIP Adsorbent for Water Remediation Surya, Felisa Nadia Oktavira Putri; Basukiwardojo, Maria Monica Sianita
Journal of The Indonesian Society of Integrated Chemistry Vol. 17 No. 2 (2025): Journal of The Indonesian Society of Integrated Chemistry
Publisher : Pendidikan Kimia FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jisic.v17i2.49878

Abstract

Iron (Fe) is an essential metal that plays a vital role in various biological and environmental processes. However, excessive concentrations of Fe, particularly in the form of Fe(III), can cause toxic effects, disrupt aquatic ecosystems, and pose serious risks to human health. This study aims to develop a selective adsorbent based on an Fe(III)-imprinted polymer (Fe(III)-IIP) for removing Fe(III) contamination from water. The Fe(III)-IIP was synthesized through precipitation polymerization using Fe(NO3)3, EDTA, MAA, EGDMA, and BPO as the main components. FTIR spectroscopy confirmed the presence of Fe–O functional groups and the successful removal of template ions. SEM analysis revealed a porous surface morphology with a uniform particle distribution, supporting enhanced adsorption capacity. Adsorption experiments were performed at contact times ranging from 30 to 180 minutes to determine the optimum condition. The results showed that adsorption efficiency increased with contact time, reaching equilibrium at 30 minutes with an adsorption capacity of 4.43 mg g-1, consistent with a pseudo-second-order (PSO) kinetic model. These findings demonstrate that Fe(III)-IIP is an effective adsorbent for treating Fe(III)-contaminated water. Keywords:        Adsorption, Fe(III), IIP, Contact time
Differences in Students’ Self-Efficacy and Learning Outcomes between Case-Based Learning and Direct Instruction in Basic Chemistry Muliaman, Agus; Dewi, Ucia Mahya; Harahap, Lenni Khotimah; Ridho, Dimas
Journal of The Indonesian Society of Integrated Chemistry Vol. 17 No. 2 (2025): Journal of The Indonesian Society of Integrated Chemistry
Publisher : Pendidikan Kimia FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jisic.v17i2.50172

Abstract

This study is motivated by low levels of self-efficacy and learning achievement among students in General Chemistry, which are often associated with the material's abstract nature and the limited use of active learning approaches. This study aims to examine differences in students’ self-efficacy and learning outcomes between the Case-Based Learning (CBL) model and the Direct Instruction (DI) model. The study employed an intact-group comparison (quasi-experimental) design involving 44 students from the Chemistry Education Program at Malikussaleh University, divided into an experimental group (CBL) and a control group (DI). Research instruments included a self-efficacy questionnaire and a multiple-choice posttest. The results revealed statistically significant differences between the two groups in both self-efficacy (t = 13.715; p < .001) and learning outcomes (t = 8.793; p < .001). Students in the CBL group obtained higher mean scores in self-efficacy (72.86) and learning outcomes (83.27) compared to those in the DI group. These findings indicate that Case-Based Learning is associated with higher self-efficacy and better learning outcomes in General Chemistry. The study suggests that CBL can be considered an alternative instructional approach to support active and contextual learning in science education.
Optimization of Ion-Ligand Stoichiometry in Synthesis of Ionic Imprinted Polymer for Selective Fe(III) Adsorption Auliya, Tazkiya; Basukiwardojo, Maria Monica Sianita
Journal of The Indonesian Society of Integrated Chemistry Vol. 17 No. 2 (2025): Journal of The Indonesian Society of Integrated Chemistry
Publisher : Pendidikan Kimia FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jisic.v17i2.49889

Abstract

This study investigates the influence of the complex structure formed between the template ion and the ligand on the adsorption efficiency of metal ions by Ionic Imprinted Polymer (IIP). The IIP was synthesized with ion-template/ligand stoichiometric ratios of 1:1, 1:2, 1:3, 1:4, and 1:5 via precipitation polymerization. Materials used in synthesis are Fe(NO₃)₃ as the template ion, EDTA as the ligand, MAA as the functional monomer, EGDMA as the cross-linker, and BPO as the initiator. Adsorption experiments confirmed that the IIP prepared with a 1:1 Fe(III)/EDTA ratio exhibited the highest maximum adsorption capacity of 5.18 mg/g, outperforming other stoichiometric compositions. Characterization of the IIP(1:1) using FTIR confirmed the presence of functional groups corresponding to Fe-EDTA interactions in the Non-Imprinted Polymer (NIP), while such interactions were absent in the IIP, indicating successful template removal and the formation of binding cavities suitable for selective metal ion adsorption.  EDX analysis also revealed a difference in Fe(III) content, with the NIP at 0.52% and the IIP at 0.36%. Results reveal that the IIP exhibits selective adsorption toward the target ion, indicating its potential for selective metal ion separation and environmental remediation
Characterizing 4C Skills of Pre-Service Chemistry Teachers Through Inquiry-Based Learning with Multiple Representations (IBL-MR): Rasch Model Analysis Mardhiya, Julia; Setiowati, Hanifah; Putri, Ananda Erika
Journal of The Indonesian Society of Integrated Chemistry Vol. 17 No. 2 (2025): Journal of The Indonesian Society of Integrated Chemistry
Publisher : Pendidikan Kimia FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jisic.v17i2.50173

Abstract

21st century education requires the development of 4C skills, namely critical thinking, communication, collaboration, and creativity, especially for prospective chemistry teachers. The purpose of this study was to be characterizing the profile of students' 4C skills after participating in the Inquiry-Based Learning Multiple Representation (IBL-MR) model designed to promote deep learning. The IBL-MR model emphasizes conceptual understanding through scientific inquiry activities and the integration of multiple representations into chemistry instruction. The subjects of the study were 30 first-year students in the chemistry teacher education program at UIN Walisongo Semarang, selected using a purposive sampling technique. This instrument was developed based on the 4C skill indicators that were valid and reliable. Analysis of the profile of pre-service chemistry using the Rasch model with Winsteps software. The results showed that collaboration skills had the highest achievement (+0.54 logit), followed by critical thinking (+0.32 logit) and communication (+0.12 logit), while creative thinking showed the lowest achievement (–0.18 logit). Wright Map analysis and person-item fit also showed significant variation in ability between individuals. These findings indicate that the IBL-MR strategy is effective in developing most of the 4C skills, but specific reinforcement for creative thinking and communication aspects is still needed through more exploratory and reflective pedagogical interventions. Keywords: 4C skills; critical thinking; communication; collaboration; creativity; inquiry-based learning multiple representations; deep learning
Development of a Phenomenon-Based Learning E-Worksheet Using Liveworksheets on the Topic of Chemical Equilibrium Ramadhoni, Aulia Zahro; Herdini, Herdini; Anwar, Lenny
Journal of The Indonesian Society of Integrated Chemistry Vol. 17 No. 2 (2025): Journal of The Indonesian Society of Integrated Chemistry
Publisher : Pendidikan Kimia FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jisic.v17i2.50405

Abstract

This study aimed to develop a Phenomenon-Based Learning (PhBL) electronic student worksheet (E-LKPD) on chemical equilibrium using Liveworksheets. The research employed a Research and Development (R&D) approach with the 4D development model (Define, Design, Development, and Disseminate). The study was conducted at SMAN 7 Pekanbaru and SMAN 9 Pekanbaru. Participants included three expert validators, two chemistry teachers, and 20 twelfth-grade students. Material validation results for content feasibility, PhBL characteristics, language feasibility, presentation feasibility, and graphical design were 95%, 97.22%, 91.67%, 95.83%, and 91.67%, respectively, indicating that the product was valid. Media validation results for display feasibility and software utilization were both 100%, and both were categorized as valid. Teacher responses reached 91.07% (very good), and student responses reached 87.31% (very good). Overall, these findings indicate that the developed PhBL-based E-LKPD for chemical equilibrium, using Liveworksheets, is valid and practical for classroom use. Keywords:       E-LKPD, chemical equilibrium, Liveworksheets, Phenomenon-Based Learning.

Page 17 of 17 | Total Record : 165

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