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All Journal Journal of Physics and Its Applications MIMBAR INTEGRITAS
Kartikasari, Lisma Dian
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Agriculture, Biological Sciences & Forestry Astronomy Earth & Planetary Sciences Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences

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PELATIHAN PENGELOLAAN DAN ADMINISTRASI WEBSITE BERBASIS OPEN SID DI DESA SLIWUNG KECAMATAN PANJI KABUPATEN SITUBONDO Razaqi, Rahmat Shofan; Kartikasari, Lisma Dian
MIMBAR INTEGRITAS : Jurnal Pengabdian Vol 3 No 2 (2024): AGUSTUS 2024
Publisher : Biro Administrasi dan Akademik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/mimbarintegritas.v3i2.4824

Abstract

Kebutuhan untuk memberikan sebuah informasi kepada publik oleh sebuah lembaga pemerintahan seperti desa saat ini sangat urgent di butuhkan, program pemerintah juga tentang digitalisasi desa juga sangat berkaitan dengan kebutuhan adanya website desa ini. OpenSid sebagai sebuah platform CMS web yang dikembangkan sebuah komunitas bernama opendesa menawarkan sebuah solusi yang menarik sekaligus terjangkau untuk desa yang masih dalam tahap awal atau pemula dalam memiliki website desa secara mandiri. Penulis memfasilitasi guna ikut mengembangkan dan memberikan sosialisasi tentang penggunaan website desa yang dikembangkan oleh OPENSid ini. Respon dari kepala desa dan perangkat desa sangat positif ketika mengetahui hasil dari pengembangan ini. Terbukti dengan bagusnya hasil angket kepuasan yang didapat dari hasil pengembangan dan sosialisasi yang dilakukan.
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 Chairatul Umamah Herman Jufri Andi, Herman Jufri Razaqi, Rahmat Shofan