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All Journal Jurnal Neutrino : jurnal fisika dan aplikasinya Jurnal Pembelajaran Fisika JFA (Jurnal Fisika dan Aplikasinya) Jurnal Penelitian dan Pembelajaran IPA Jurnal Penelitian Pembelajaran Fisika WACANA DIDAKTIKA JIPF (Jurnal Ilmu Pendidikan Fisika) Momentum: Physics Education Journal Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Cetta: Jurnal Ilmu Pendidikan MATAPPA: Jurnal Pengabdian Kepada Masyarakat Journal of Physics and Its Applications JPF : JURNAL PENDIDIKAN FISIKA Jurnal Pendidikan Fisika dan Teknologi JURNAL PENDIDIKAN MIPA Jurnal Eduscience (JES) Jurnal Pengabdian kepada Masyarakat Al-Irsyad Journal of Physics Education Jurnal Ilmiah Pengabdian Kepada Masyarakat Gudang Jurnal Multidisiplin Ilmu Atmosfer: Jurnal Pendidikan, Bahasa, Sastra, Seni, Budaya, Dan Sosial Humaniora Bhinneka: Jurnal Bintang Pendidikan dan Bahasa Jurnal Pengabdian Masyarakat JURNAL MULTIDISIPLIN ILMU AKADEMIK
Herman Jufri Andi, Herman Jufri
Universitas Islam Madura
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Upaya Meningkatkan Hasil dan Minat Belajar Materi Besaran dan Satuan Melalui Model Discovery Learning pada Fase E SMA Darunnajah Sumenep Sunariatus Solehah; Herman Jufri Andi; Luaini Luaini; Syaiful Bahri; Moh Syamsul
Bhinneka: Jurnal Bintang Pendidikan dan Bahasa Vol. 2 No. 4 (2024): Bhinneka
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59024/bhinneka.v2i4.1260

Abstract

The purpose of this research is to describe the results and learning interest of students by applying the Discovery Learning model. This shows an improvement in student learning outcomes with the application of Discovery Learning. This improvement is because students have started to understand the material that has been learned using the Discovery Learning model in phase E. while the data analysis used descriptive methods with the success of student learning activities. And the results of the data analysis showed that the improvement in learning outcomes for class X students at SMAS Islam Darunnajah Sumenep with Discovery Learning on the topic of quantities and units increased from 55% in cycle 1 to 85% in cycle 2, with an overall improvement of 30% between the two cycles. The improvement in learning outcomes indicates that the implemented Discovery Learning can be enjoyable and make students interested and engaged in the learning process.
Analysis of Diffraction and Spectroscopy for bamboo Clam Shell Waste (Ensis S.P) as a Natural Source of Calcium Umamah, Chairatul; Andi, Herman Jufri; Kartikasari, Lisma Dian
Journal of Physics and Its Applications Vol 7, No 4 (2025): November 2025
Publisher : Diponegoro University Semarang Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpa.v7i4.29411

Abstract

Shell waste is a natural source of rich biominerals, primarily high-purity calcium carbonate (CaCO₃). This study utilized bamboo shell waste from three locations on the south coast of Pamekasan as a raw material for the synthesis of CaCO₃ compounds. The aim of this research was to characterize the composition of powdered bamboo clam shells as a source of natural calcium. The shells were prepared through several stages, including washing, drying, size reduction, and oven-drying at 105°C. They were then pulverized using a ball mill and sieved through a 200-mesh sieve. The resulting shell powder was characterized using XRF, FTIR, and XRD. The XRF results showed that the dominant chemical elements from the three locations were calcium (Ca) and its oxide compound (CaO), with average percentages of 97.95% and 98.09%, respectively. The FTIR analysis indicated the presence of CaCO₃ functional groups, namely CO₃²⁻, C–O, Ca–O, and C–H, identified by absorption peaks in range 400-4000 cm⁻¹. The XRD results confirmed that bamboo clam shells powders were contained of CaCO₃ as a single phase with the crystalline structure of aragonite (orthorhombic). Based on these results, it can be concluded that bamboo clam shell powder is a viable source of natural calcium minerals.
Co-Authors Abdullah, Mohammad Abdur Rouf Analiatus Shofiyah Badrut Tamam chair, chairatul umamah Chairatul Umamah Chariratul Umamah Darminto Darminto Diraya, Inayatun El Indahnia Kamariyah Faizil Muqoddas Hidayatullah, Moh. Ina Daril Hanna, Ina Daril Inayatun Diraya Kartikasari, Lisma Dian Luaini Luaini Lubna Dwi Masluhah Lukluk Ibana Maisyatul Azkiyah MARIA BINTANG Moh Syamsul Mohammad Lutfiyadi Mohammad Lutfiyadi Musayyadah Nilna Mely Dina Nilna Mely Dina Robiatul A Rohmah Maghfirotur S. Ida Kholida Siska Siska SITI AINUR ROMLAH Sitti Aisah Suminar Pratapa Sunariatus Solehah Suprianto Suprianto Susriyana Mery Handayani Syaiful Bahri Triwikantoro Triwikantoro Ulfatul Fitriyah Ulfatul Fitriyah Wayan Suana Zainal Arifin Zainurrahman Zainurrahman