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All Journal Jurnal Pencerahan Journal of Aceh Physics Society Jurnal Ilmiah Mahasiswa Kelautan Perikanan Unsyiah INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Natural Aceh International Journal of Science and Technology Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) Jurnal Pengabdian Bangsa Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal of Syiah Kuala Dentistry Society
Zulkarnain Jalil
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Education Energy Engineering Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Physics Social Sciences Other

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Journal : Journal of Aceh Physics Society

 1 
Synthesis of Natural Hydroxyapatite from Aceh’s Bovine Bone Nurul Fadhilah; Irhamni Irhamni; Zulkarnain Jalil
Journal of Aceh Physics Society Volume 5 Number 2, September 2016
Publisher : PSI-Aceh

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Abstract

Telah dilakukan penelitian yang mengkaji tentang sintesis hidroksiapatit berbasis tulang sapi lokal Aceh. Kandungan kalsium (CaO) di dalam tulang sapi dapat dimanfaatkan untuk mensintesis hidroksiapatit. Pada penelitian ini, hidroksiapatit disintesis dari tulang sapi yang telah dicuci bersih dan dihilangkan dari lemak  dengan menggunakan NaOH. Tulang sapi dikeringkan dan dikalsinasi terlebih dahulu pada temperatur 1000oC selama 2 jam. Tulang sapi kering kemudian ditumbuk hingga dihasilkan serbuk. Untuk mendapatkan ukuran partikel yang seragam, serbuk tulang sapi dimilling dengan kecepatan putaran 250 rpm selama 5 jam sehingga dihasilkan serbuk tulang sapi murni yang berukuran nano. Kemudian serbuk dikarakterisasi menggunakan XRD (X-Ray Diffraction) untuk membuktikan terbentuknya fasa CaO. Serbuk CaO yang telah terbentuk disintesa menjadi hidroksiapatit menggunakan metode solid statereaction dengan cara menambah asam posfat. Selanjutnya, serbuk CaO dan asam posfat disintering pada temperatur 900oC selama 2 jam. Penentuan fasa hidroksiapatit ini dilakukan dengan melakukan pengujian XRD. Berdasarkan hasil pengujian XRD, fasa CaO dan hidroksiapatit telah berhasil terbentuk sempurna. The research that examines the synthesis hydroxyapatite of Aceh’s bovine bone has been done. Calcium oxide (CaO) in bovine bone can be used to synthesized hydroxyapatite. In this research, hydroxyapatite synthesized from bovine bone that washed clearly and removed from the fat with adding NaOH. Bovine bone dried and calcined first at temperature of 1000oC for 2 hours. Then, dried-bovine bone is granulated become a powder. For uniformity particle size, bovine bone powder was milled with a 250 rpm rotation speed for 5 hours to produce pure bovine bone powder in nano-sized. Then, the bovine bone powder was characterized using X-Ray Diffraction (XRD) to evidence that CaO phase has been formed. CaO powder will be syntehesized become hydroxyapatite using solid state reactiod method with adding phosphoric acid. Finally, powder CaO and phosphoric acid sintering at temperature of 900oC for 2 hours. Determination of hydroxyapatite phase is done by testing the XRD. Based on test results of XRD, CaO and hydroxyapatite phase has been successfully formed.
Estimation of Hydrogen Gas Production from Oxidation Process of Zirconium Cladding with Water Vapor in Fukushima Daiichi Nuclear Power Plant Unit One at Japan after Earthquake and Tsunami in 2011 Endang Lestari; Elin Yusibani; Zulkarnain Jalil; Asril Pramurtadi
Journal of Aceh Physics Society Volume 3 Number 1, March 2014
Publisher : PSI-Aceh

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Abstract

It has been an explosion at the Fukushima Daiichi NPP caused by the fusion reaction between hydrogen and oxygen. Hydrogen is believed to be generated one of which comes from the oxidation reaction between the fuel cladding and water vapor in the reactor core due to the failure of coolant (LOCA=Loos of Coolant Accident). This study aims to estimate the amount of hydrogen gas that accumulates in the reactor core theoretically by using a model based on equilibrium mole of a chemical reaction. The zirconium cladding material is set as a limiting reagent that limits the formation of hydrogen in the reactor core. The estimation results show that the amount of hydrogen accumulated in the reactor is directly proportional to the mass of the oxidized zirconium with water vapor. The amount of hydrogen that accumulates for one fuel rod reaches 0.018 kg, for one assembly is 1.10 kg and for overall at Unit One reaches 441 kg, which these results have been enough to blow up the reactor.
Co-Authors A Halim Abdul Gani ABDUL GANI Adi Rahwanto Aditia Pradipta Adlim Adlim Ahmad Faisa Akmal NIzar Annisa Zuhra Aris Darmika Munthe Asril Pramurtadi Azizah Azizah Bambang Soegijono Dedi Fazriansyah Putra Elin Yusibani Endang Lestari Erfan Handoko Eva Novita Sari Fatha Yufari Alfani Fauzi Fauzi Gebrina Zikra Barizki Harry Handoko Heni Pujiastuti Ichsan Rusydi Imelda Agustina Ireka SALSABILA Irhamni Ismail A B Ismail Ismail Ivan Almerian Izzuddin Al-Qossam Jul Aidil Kurniawan Fazri M. Hasan Maulinda Maulinda Muhammad Muhammad Muhammad Muhammad Zaki Murzal . Nabila Isvalana Nirmala Sari Nur Aiza Nurul Fadhilah Putri Dyana Harahap Rahmani Rahmani Rahmani Rahmani Razali Thaib Reki Feriyanto Rian Juanda Riqqa Rahmania Sallim Harahap Rizwan Rizwan Shelly Anggi Pratiwi Silvana Rahayu Surya Hafnidar Syahrul Purnawan Syamsul Rizal Thaib Rizwan Thaib Rizwan Tjut Nyak Ghalda Gheitsa Wilma Farisi Windy Mirnawati Zahriah Zahriah Zaraturrahmi Zaraturrahmi Zulfalina Zulfalina Zulfan