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All Journal Jurnal Neutrino : jurnal fisika dan aplikasinya ORBITA: Jurnal Pendidikan dan Ilmu Fisika
Fatmaliana, Andia
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Education Physics

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SYNTHESIS AND CHARACTERIZATION OF HEMATITE (Fe2O3) OF IRON ORE AND MAGNETITE (Fe3O4) FROM IRON SAND THROUGH PRECIPITATION METHOD FOR INDUSTRIAL RAW MATERIALS Fatmaliana, Andia; Maulinda, Maulinda; Sari, Nirmala
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 12, No 2 (2020): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (510.31 KB) | DOI: 10.18860/neu.v12i2.8183

Abstract

Indonesia is a country that has enormous iron ore and iron sand mine that can be utilized for various industrial purposes. This research has been successfully conducted synthesis and characterization of hematite iron ore and magnetite from iron sand. Iron sand and iron ore that has been crushed manually repaired with a magnet was carried out with the HCl, and NH4OH then dried in the temperature of 150 oC and calcinated at a temperature of 500 oC. Characterization was carried out using X-ray diffraction (XRD) and X-ray fluorescence (XRF), where the preliminary information obtained from XRF results in an iron ore sample by manual separation have 95.99% of Fe2O3 and followed by compounds SiO2 (2.10%). While the iron sand contains 81.42% of Fe3O4 and 2.5% of SiO2. After the precipitation process, Fe2O3 compounds contained in iron ore has a content of 96.58% and Fe3O4 compounds contained in iron sand (86.73%).  The results of XRD indicate the dominant primary phase in iron ore is hematite or Fe2O3, and in iron, sand is magnetite Fe3O4, Before the extraction process, Fe2O3 was 58.009 μm in size and after the process of extracting the particles was reduced to 20.950 μm. While the Fe3O4, prior to the extract, has a grain size of 59.009 μm, and after an extraction process, the grain size reduced into 25.950 μm. The calculation results indicate there is a slight size difference between the grain size of iron sand and iron ore.
ANALISIS PENGETAHUAN TPACK GURU IPA SMP DAN FISIKA SMA SE-ACEH BARAT DAYA Musdar, Musdar; Susanna, Susanna; Saputri, Mawarni; Nurulwati, Nurulwati; Fatmaliana, Andia
ORBITA: Jurnal Pendidikan dan Ilmu Fisika Vol 9, No 2 (2023): November
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/orbita.v9i2.15950

Abstract

ABSTRAKTujuan dari penelitian yang dilakukan ini adalah ingin menganalisis sejauh mana Pengetahuan Teknologi, pedagogi dan Content Knowledge Guru Guru IPA SMP dan Fisika SMA yang ada di Aceh Barat Daya, Pada Penelitian ini menggunakan Metode penelitian Analisis Kuantitatif,  Data pada penelitian di peroleh  dengan cara mengedarkan Angket yang telah disusun dan divalidasi, butir angket penelitian terdiri dari item pertanyaan yang mencakup Pedagogical Knowledge, Content Knowledge, Teknological Knowledge. Pedagogical Content Knowledge, Tecnological Content Knowledge, Tecnological Pedagogical Knowledge dan Tecnological Pedagogical And Content Knowledge  butir soal berjumlah 36 butir soal dengan 5 item pilihan sedangkan sampel yang terdiri dari guru IPA dan Fisika berjumlah 42 orang, Analisis data pada penelitian ini menggunakan persentase setiap komponen, untuk bagian Tecnologi Knowlede Kategori tinggi (51%) untuk Pedagogical Knowledge di dominasi kategori tinggi (49%), untuk bagian Contect Knowledge didominasi kategori sedang (49%), untuk perpaduan teknologi dengan konten materi di kategori sedang (51%), untuk kategori perpaduan pedagogi dengan konten materi dikategori sedang (51%) sedangkan perpaduan teknologi dengan pedagogi didominasi kategori tinggi (47%)  berdasarkan hasil Analisis data secara keseluruhan pengetahuan guru IPA SMP dan Fisika SMA di kabupaten Aceh Barat Daya berkategori sedang dengan jumlah persentase sebanyak 56, 67 % . Berdasarkan data tersebut Guru guru IPA dan Guru Fisika SMA di kabupaten Aceh Barat daya sudah mengetahui Apa itu TPACK bahwa sudah menerapakan di dalam proses Pembelajaran serta mengintegrasikan didalam penggunaaan Teknologi Pembelajaran Kata kunci: pengetahuan guru; TPACK, ABSTRACTThe purpose of the research conducted is to analyse the extent of Technological Knowledge, pedagogy and Content Knowledge of Junior High School Science Teachers and High School Physics Teachers in Southwest Aceh, in this study using the Quantitative Analysis research method, the data in the study were obtained by circulating questionnaires that had been prepared and validated, the research questionnaire items consisted of question items that included Pedagogical Knowledge, Content Knowledge, Technological Knowledge. Pedagogical Content Knowledge, Tecnological Content Knowledge, Tecnological Pedagogical Knowledge and Tecnological Pedagogical And Content Knowledge question items totaled 36 items with 5 choice items while the sample consisting of 42 science and physics teachers, Data analysis in this study uses a percentage of each component, for the Tecnologi Knowlede section the high category (51%) for Pedagogical Knowledge is dominated by the high category (49%), for the Contect Knowledge section is dominated by the medium category (49%), for the combination of technology with material content in the medium category (51%), for the category of pedagogical integration with material content in the medium category (51%) while the combination of technology with pedagogy is dominated by the high category (47%) based on the results of data analysis overall knowledge of junior high school science teachers and high school physics in Southwest Aceh district is in the medium category with a total percentage of 56, 67%. Based on this data, science teachers and physics teachers in in Aceh Barat Daya district already know what TPACK is, that they have applied it in the learning process and integrated it in the use of learning technology. Keywords: teacher knowledge; TPACK
Co-Authors Maulinda, Maulinda Musdar, Musdar Nirmala Sari Nurulwati, Nurulwati Saputri, Mawarni Susanna Susanna