Vol. 11 No. 1 (2026)

In progress (This issue is in progress, but contains articles that are final and fully citable)

DOI: https://doi.org/10.15575/jtk.v11i1
Published: 2026-06-01

Articles

  • Exploring Learning Obstacles in Extraction: A Qualitative Analysis for Systems Thinking-Based Didactical Design

    Annisa Khairani Putri,  Master Program of Chemistry Education, Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia, Bandung 40154,  Indonesia
    Hernani Hernani,  Master Program of Chemistry Education, Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia, Bandung 40154,  Indonesia
    Soja Siti Fatimah,  Master Program of Chemistry Education, Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia, Bandung 40154,  Indonesia
    Atep Rian Nurhadi,  Master Program of Chemistry Education, Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia, Bandung 40154,  Indonesia
    Billy Oktora Abdilah Fauzi,  Institute of Inorganic and Materials Chemistry, University of Cologne, 50939 Cologne,  Germany
    1-13
    DOI : 10.15575/jtk.v11i1.52383 PDF downloads: 3

  • Profiling Students' Critical Thinking and Multiple Representation Skills in Buffer Solution Learning Using a Web-Based Assessment Tool

    Tissa Indah,  Master of Chemistry Education, Faculty of Teacher Training and Education, University of Riau, Kampus Bina Widya KM. 12.5, Simpang Baru, Kec. Tampan, Kota Pekanbaru, Riau, 28293,  Indonesia
    Susilawati Susilawati,  Master of Chemistry Education, Faculty of Teacher Training and Education, University of Riau, Kampus Bina Widya KM. 12.5, Simpang Baru, Kec. Tampan, Kota Pekanbaru, Riau, 28293,  Indonesia
    Dedi Futra,  Master of Chemistry Education, Faculty of Teacher Training and Education, University of Riau, Kampus Bina Widya KM. 12.5, Simpang Baru, Kec. Tampan, Kota Pekanbaru, Riau, 28293,  Indonesia
    14-24
    DOI : 10.15575/jtk.v11i1.51053 PDF downloads: 17

  • Enhancing Science Literacy and Active Participation through Guided Inquiry E-Worksheets in Reaction Rate Learning

    Herdini Herdini,  Department of Chemistry Education, Faculty of Teacher Training and Education, Riau University, Pekanbaru, Riau, 28293,  Indonesia
    Martha Larasaty Hutagalung,  Department of Chemistry Education, Faculty of Teacher Training and Education, Riau University, Pekanbaru, Riau, 28293,  Indonesia
    Sri Haryati,  Department of Chemistry Education, Faculty of Teacher Training and Education, Riau University, Pekanbaru, Riau, 28293,  Indonesia
    Putri Adita Wulandari,  Department of Chemistry Education, Faculty of Teacher Training and Education, Riau University, Pekanbaru, Riau, 28293,  Indonesia
    25-36
    DOI : 10.15575/jtk.v11i1.44904 PDF downloads: 9

  • Microwave-Assisted Synthesis of Eggshell-Derived Hydroxyapatite for Antibacterial Toothpaste Enriched with Avocado Seed Powder and Extract

    Gabrielle Callista Dwi Putri,  Department of Chemistry, Faculty of Mathematics and Natural Sciences Universitas Padjadjaran, Sumedang, 45363,  Indonesia
    Atiek Rostika Noviyanti,  Department of Chemistry, Faculty of Mathematics and Natural Sciences Universitas Padjadjaran, Sumedang, 45363,  Indonesia
    https://orcid.org/0000-0002-2355-7624
    Yudha Prawira Budiman,  Department of Chemistry, Faculty of Mathematics and Natural Sciences Universitas Padjadjaran, Sumedang, 45363,  Indonesia
    Suryana Suryana,  Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran Sumedang 45363,  Indonesia
    Azman Bin Ma’Amor,  Department of Chemistry, University Malaya, Kuala Lumpur, 50603,  Malaysia
    37-57
    DOI : 10.15575/jtk.v11i1.55586