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All Journal Chemistry Indonesian Journal of Chemical Research Chemedu: Jurnal Ilmiah Pendidikan Kimia
Nur, Abdillah Mushawwir An
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Biochemistry, Genetics & Molecular Biology Chemistry Education Engineering Environmental Science Other

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Pengaruh Media Cleo Card dalam Model Discovery Learning terhadap Hasil Belajar Peserta Didik Kelas X MIPA SMA Negeri 3 Majene (Studi pada Materi Sistem Periodik Unsur) Nur, Abdillah Mushawwir An; Ramdani, Ramdani; Muharram, Muharram
ChemEdu Vol 6, No 2 (2025)
Publisher : Jurusan Kimia FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/chemedu.v6i2.59234

Abstract

Tujuan penelitian ini adalah untuk mengetahui Pengaruh Media Cleo Card Dalam Model Discovery Learning Terhadap Hasil Belajar Peserta Didik Kelas X MIPA SMA Negeri 3 Majene. Metode penelitian yang digunakan adalah quasi eksperimen dengan pendekatan kuantitatif dan menggunakan desain posttest-only control group. Populasi penelitian adalah seluruh kelas X MIPA dengan jumlah 2 kelas. Pemilihan sampel menggunakan teknik random sampling, diperoleh sampel penelitian adalah kelas X MIPA 1 sebagai kelas eksperimen dan kelas X MIPA 2 sebagai kelas kontrol. Teknik pengumpulan data menggunakan tes pilihan ganda untuk memperoleh data hasil belajar. Analisis data dilakukan menggunakan statistik deskriptif dan inferensial. Berdasarkan hasil analisis disimpulkan bahwa ada pengaruh media cleo card dalam model Discovery Learning terhadap hasil belajar peserta didik kelas X MIPA SMA Negeri 3 Majene pada materi pokok sistem periodik unsur.
Effectiveness of Montmorillonite-ZnO as Photocatalyst for Adsorption and Degradation of Methylene Blue Nur, Abdillah Mushawwir An; Iklima, Ilma Kanzu; Hidayat, Taupik; Dasna, I Wayan; Sumari, Sumari; Utomo, Yudhi
Indonesian Journal of Chemical Research Vol 13 No 3 (2026): Edition for January 2026
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2026.13-abd

Abstract

This study aims to synthesize, characterize, and evaluate the photocatalytic activity of a montmorillonite–ZnO (MMT/ZnO) composite for the degradation of methylene blue (MB) under ultraviolet (UV) and dark (non-UV) conditions. The composite was prepared by mixing synthetic montmorillonite derived from Indonesian soil with ZnO in ethanol, followed by calcination at 400 °C for 2 hours, and subsequently characterized using X-ray fluorescence (XRF). The degradation tests were performed using various composite masses (0.5–2.5 g) and compared with single ZnO and montmorillonite materials through visible spectrophotometry analysis. The results revealed that under UV irradiation, MMT/ZnO achieved the highest degradation efficiency of 98.37%, while under non-UV conditions, MB removal remained high at 88.39%, primarily driven by adsorption. These findings confirm a synergistic effect between the adsorption capacity of montmorillonite and the photocatalytic activity of ZnO, where adsorption dominated MB removal while photocatalysis contributed to enhancing overall degradation efficiency. The novelty of this study lies in the utilization of synthetic Indonesian montmorillonite as a ZnO support, which enhances photocatalytic efficiency while reducing production costs. This finding highlights the potential of MMT/ZnO composites as an environmentally friendly and cost-effective alternative for dye wastewater treatment in the textile industry.
Co-Authors Abda Abda I Wayan Dasna Iklima, Ilma Kanzu Ramdani Ramdani Sumari Sumari Taupik Hidayat, Taupik Yudhi Utomo