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All Journal Jurnal Ilmiah Biosaintropis (Bioscience-Tropic) Jurnal Biologi Tropis JMM (Jurnal Masyarakat Mandiri) ORBITA: Jurnal Pendidikan dan Ilmu Fisika KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pendidikan Fisika dan Teknologi EIGEN MATHEMATICS JOURNAL Indonesian Physical Review Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Jurnal Abdi Insani Jurnal Warta Desa (JWD) Media for Empowerment, Mobilization, and Innovation in Research & Community
Dian Wijaya Kurniawidi
Program Studi Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Public Health Social Sciences Other

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Journal : KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA

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PENGARUH FLOURIDE TERHADAP SIFAT MEKANIK GIGI TIRUAN BERBAHAN DASAR LIMBAH CANGKANG TELUR AYAM Baiq R. S. Yusuf; Siti Alaa; Dian W. Kurniawidi; Susi Rahayu
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 4 No 1 (2019): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.511 KB) | DOI: 10.20414/konstan.v4i1.37

Abstract

The fabrication of dentures from the eggshell has been done using the precipitation method. FTIR and AAS tests were carried out to determine the functional groups and calcium oxide content in egg shells. From the AAS results, the CaO value is 58.33% which is much greater than the minimum standard CaO in dentures. Mechanical tests were carried out on dentures treatment with immersion into distilled water and the results were compared if immersion using fluoride toothpaste. It was found that immersion with fluoride toothpaste can increase the elasticity of dentures by more than 100%.
Characteristics of Calcium Oxide from Pearl Shells (Pinctada Maxima) based on Calcination Temperature I Gusti Ngurah Yudi Handayana; Dian W Kurniawidi; Susi Rahayu; Nadila Rahmawati
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 7 No 1 (2022): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/konstan.v7i01.149

Abstract

Pearl clam shell waste can be decomposed as a result of CaO compounds. CaO is a compound that can be applied in various fields such as biomaterials, electronics, agricultural industries, and others, for example as a source of biological calcium which plays a role in the growth and survival of shrimp, lobsters, and fish. This study aims to examine the effect of Calcination Temperature on calcium oxide (CaO) characteristics of pearl clam shells (Pinctada Maxima). The procedures carried out in this study include the preparation of pearl clam shells (pinctada maxima), the formation of Calcium Oxide (CaO) using the calcination method which is then continued with the characterization of the test sample. The CaO characteristics studied include CaO characteristics such as CaO compound content, powder size, powder density, bulk density and porosity. The results of measuring the CaO characteristics of pearl clam shells with variations in calcination temperature get an increase in calcination temperature resulting in the CaO yield value tending to decrease with an increase in CaO levels. Bulk density is not particularly affected by calcination temperature, but powder density tends to increase with temperature increase, whereas, porosity and particle size have smaller values. Interestingly, the values of density and porosity are inversely proportional which is closely related to empty cavities or pores formed as a result of differences in calcination temperature.
Co-Authors ABDUL GANI Adella Ulyandana Jayatri Alaa, Siti Alfina Taurida Alaydrus Amrul Ikhsan Arif Budianto Baiq Nurul Alya Baiq R. S. Yusuf Bakti Sukrisna Dodi Mariadi Ervina Sandra Dewi Eva Nurhaliza Gaoura Valentina Handayana, I Gusti Ngurah Yudi Hasmiyatni Hasmiyatni I Wayan Ari Makmur I Wayan Sudiarta Ika Umratul Asni Aminy Intan Utami Irma Pratiwi Iwan Sumarlan Kholik Hidayatullah Kormil Saputra Laili Mardiana Lalu Sahrul Hudha Marlita Yudiawati Mar’atus Solihah Muhammad Fajrin Muhammad Zuhdi Nadila Rahmawati Nurul Qomariyah Rahmatun Inayah Ridho Ahyana Rinarto Subroto Ronodirdjo, Muhammad Zuhdi Sinta Devi Hariyanti Siti Alaa’ Sri Mulyani Suhayat Minardi Suhayat Minardi Susi Rahayu Syahrial A Syahrial Ayub Syahrial Ayub Syamsuddin Syamsuddin Syamsuddin Syamsuddin Syamsuddin Syamsuddin Syamsuddin Teguh Ardianto, Teguh Wirawan, Rahadi Yulia Satriadi Yunitun Tamara