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CHARACTERIZATION OF CLAY MATERIALS USED FOR POTTERY PURPOSES FROM RENDENG, MALO, BOJONEGORO Setyaningrum, Dyah; Sujiat, Sujiat; Azizah, Aprilia Nur
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 14, No 1 (2021): October
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/neu.v14i1.12753

Abstract

Clay material from Rendeng, Malo, Bojonegoro was studied by mineralogy and physicochemical characterization to evaluate its potential suitability as a raw material in pottery application. X-ray Diffraction (XRD) and Fourier Transform-Infrared (FTIR) spectrometry were used to establish the mineralogy composition. Meanwhile the physical properties were identified by particle size distribution and consistency limits. Chemical composition was carried out by X-ray Fluorescence Spectrometer (XRF).  The results of XRD characterization revealed that clay from Rendeng Village, Malo, Bojonegoro contained  kaolin, quartz, and feldspar. Physical characterization shows that clay material is a less plastic type based on Atterberg method. Based on the chemical compositions indicated that SiO2, Al2O3, CaO, and Fe2O3 were abundance oxides. Therefore, clay from Desa Rendeng was only suitable for the pottery purposes because most of its mineral compositions did not meet the quality requirements for making advanced ceramics.
PENDAMBINGAN BELAJAR BAHASA INGGRIS PADA ANAK SD DI MASA PANDEMI Rahayu, Putri Dwi; Azizah, Aprilia Nur; Aprillia, Avisa Sekar; Fitrianto, Achmad Room
Publikasi Pendidikan Vol 13, No 3 (2023)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/publikan.v13i3.23273

Abstract

Pandemi COVID-19 memberikan dampak buruk disemua lini kehidupan. Dengan adanya pembatasan sosial yang menjadikan metode pembelajaran tatap muka tidak dilakukan ditengarahi akan mempengaruhi kualitas pengajaran. Penurunan Kualitas pengajaran yang diangkat dalam paper ini adalah penurunan tingkat pemahaman siswa dalam pelajaran bahasa Inggris. Hal tersebut dikarenakan turunya motivasi belajar yang dimiliki siswa. Dalam hal ini peneliti melakukan upaya untuk meningkatkan pemahaman mereka kembali dengan diadakannya bimbingan belajar. Terdapat tiga tahapan yang dilakukan untuk memperoleh hasil yang maksimal yaitu 1. Pre-test untuk mengetahui tingkat pemahaman pemahaman awal bahasa Inggris siswa. 2. Bimbingan belajar dengan metode belajar sambil bermain. 3. Post-test untuk mengetahui pemahaman akhir bahasa Inggris yang didapat setelah siswa memperoleh bimbingan. Bimbingan ini dilakukan di salah satu wilayah yang ada di Surabaya Timu, yaitu di Jalan Mojo Kidul. Hasil penelitian ini menyebutkan bahwa siswa sekolah dasar di wilayah Mojo Kidul mengalami peningkatan pemahaman bahasa Inggris setelah diadakannya bimbingan belajar, hal ini terlihat dari nilai post-test yang mereka dapatkan. Serta kemampuan pengucapan dan penyebutan kosa kata yang tepat.
KINETIKA ADSORPSI ION FOSFAT MENGGUNAKAN BATU KAPUR KECAMATAN SEMANDING KABUPATEN TUBAN Erwanto; Azizah, Aprilia Nur
JURNAL KIMIA SAINTEK DAN PENDIDIKAN Vol. 7 No. 2 (2023): JURNAL KIMIA SAINTEK DAN PENDIDIKAN
Publisher : Program Studi Kimia - Universitas Sari Mutiara Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51544/kimia.v7i2.4636

Abstract

Adanya ion fosfat dalam air dapat menimbulkan kerusakan lingkungan, sehingga dilakukan upaya untuk menghilangkan ion fosfat tersebut. Salah satu yang banyak dikembangkan adalah penggunaan adsorben yang dapat menyerap kandungan ion fosfat dengan bahan yang mudah diperoleh dan dibuat dengan mudah yaitu batu kapur. Penelitian ini bertujuan untuk mempelajari model adsorpsi batu kapur alam asal Kecamatan Semanding Kabupaten Tuban terhadap ion fosfat. Adsorben batu kapur alam diaktivasi secara fisik (Ads1) dan kimia (Ads2) yaitu dengan pemanasan pada suhu 900° selama 4 jam dan penambahan asam sulfat 0,1 M. Barulah dilakukan uji kemampuan adsorpsi batu kapur terhadap ion fosfat. Hasil karakterisasi XRD menunjukkan adanya perbedaan fasa kristal. Batu kapur Ads0 tanpa aktivasi mempunyai fasa kalsit sama dengan Ads1, sedangkan Ads2 mempunyai fasa gipsum. Nilai keasaman (Ka) tertinggi adalah Ads2 sebesar 2,5584 ± 0,0122 mg/g, dan luas permukaan tertinggi adalah Ads1 sebesar 28,6106 m²/g. Sedangkan pola adsorpsi batu kapur mengikuti persamaan isoterm Langmuir, dengan nilai koefisien linier (R²) = 0,9701.
BUMDES STRATEGY IN THE DEVELOPMENT OF WONG PULUNGAN HOT SPRINGS TRANSIT TOURISM Azizah, Aprilia Nur; Sukmana, Hendra
Proceeding of International Conference on Social Science and Humanity Vol. 2 No. 2 (2025): Proceeding of International Conference on Social Science and Humanity
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/icossh.v2i2.390

Abstract

Objective: This study aims to analyze and describe the strategy of Gempol Village-Owned Enterprises (BUMDes) in developing the transit tourism potential of Wong Pulungan Hot Springs as one of the village's economic and social assets. The focus of the research is directed at four main indicators, namely strategy planning, implementation, evaluation and supervision, and sustainability aspects, in order to understand the extent to which BUMDes governance is able to optimize the potential of local-based tourism independently. Method: Using a qualitative descriptive approach method, with data collection techniques through in-depth interviews with BUMDes managers, community leaders, and visitors, complemented by field observation and documentation. The analysis was carried out by examining the empirical narrative based on strategic themes developed according to the research indicators. Results: The results of the study show that BUMDes Gempol has been working on participatory planning of the community and village apparatus, the implementation of gradual development, informal evaluation and supervision, and community involvement in maintaining cleanliness and the ecosystem. However, BUMDes Gempol still faces several shortcomings such as the absence of a long-term strategic plan document, limitations in digital promotion, informal evaluations, and collective awareness that needs to be improved. Novelty: The novelty of this study lies in the strategic mapping based on village institutional performance indicators in the context of transit tourism management, which is still rarely the focus of academic studies. This study shows how BUMDes institutions can play a role as actors of local development through a collaborative approach, although limited by limited resources and minimal formal policy support.