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All Journal Jurnal Ilmu Dasar Jurnal Sains Materi Indonesia JFA (Jurnal Fisika dan Aplikasinya) JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Science and Technology Indonesia International Journal of Science and Applied Science: Conference Series Indonesian Journal of Chemistry SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Kreativitas PKM JIEMS (Journal of Industrial Engineering and Management Systems) Jurnal Fisika : Fisika Sains dan Aplikasinya Jurnal Teori dan Aplikasi Fisika JASIEK (Jurnal Aplikasi Sains, Informasi, Elektronika dan Komputer) Jurnal Fisika Indonesia Jurnal Pengabdian Masyarakat Khatulistiwa Journal of Energy, Material, and Instrumentation Technology NEAR: Jurnal Pengabdian kepada Masyarakat Jurnal Kemitraan Masyarakat
Posman Manurung
Departement Of Physics, Faculty Of Mathematic And Natural Science, University Of Lampung
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 Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Pengaruh Variasi Konsentrasi HCl Pada Pembentukan Nanosilika Berbasis Batu Apung Lusi Vusfita Sari; Posman Manurung; Yanti Yulianti
Jurnal Teori dan Aplikasi Fisika Vol. 7 No. 2 (2019): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v7i2.217

Abstract

Pengaruh Laju Penginjeksian Doping Sulfur terhadap Aktivitas Fotokatalis Nanotitania Menggunakan Metode Sol Gel Delfi Oktavia Amrani; Posman Manurung; Pulung Karo Karo
Jurnal Teori dan Aplikasi Fisika Vol. 7 No. 2 (2019): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v7i2.224

Abstract

Pengaruh Variasi Konsentrasi NaOH Optimum pada Pembuatan Nanosilika dari Batu Apung Zahra Maria Ulfa; Posman Manurung; Pulung Karo Karo
Jurnal Teori dan Aplikasi Fisika Vol. 8 No. 1 (2020): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v8i1.231

Abstract

Pengaruh Perlakuan Termal Terhadap Karakteristik Aspal Komposit Berbasis Silika Sekam Padi Nita Susanti; Juniati Br Simbolon; Simon Sembiring; Posman Manurung
Jurnal Teori dan Aplikasi Fisika Vol. 8 No. 1 (2020): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v8i1.244

Abstract

Synthesis and characterization of asphalt has been modified with silica rice husk with temperature variations of 200, 250, and 300oC. Silica is obtained from rice husk using the sol gel method. Furthermore asphalt and silica are solidified at 110oC. The experiment was conducted to determine the effect of temperature on the microstructure, structure, and functional groups of modified asphalt. SEM analysis shows asphalt modification with a temperature of 300oC in the form of different clumps. XRD analysis showed the phase formed from each temperature was an amorphous phase. The result of the FTIR analysis showed that the functional groups seen in the modified asphalt samples were Si-OH, Si-O-Si, Si-O, and C-H. The compressive strength carried out showed the strength of asphalt again cracks became stronger as the temperature increased.
Pengaruh Laju Penginjeksian Doping Fluor terhadap Aktivitas Fotokatalis Nanotitania Menggunakan Metode Sol Gel Sri Rahayu; Posman Manurung; Roniyus Marjunus
Jurnal Teori dan Aplikasi Fisika Vol. 8 No. 2 (2020): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v8i2.260

Abstract

Efek Variasi Konsentrasi NaOH pada Pembentukan Struktur Selulosa Cladophora sp. Sri Wahyu Suciyati; Posman Manurung; Junaidi Junaidi; Rudy Situmeang
Jurnal Teori dan Aplikasi Fisika Vol. 10 No. 1 (2022): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v10i1.280

Abstract

THE INFLUENCE OF ELECTRICAL VOLTAGE ON FORMATION OF SILICA NANO FIBER WITH ELECTROSPINNING METHOD Erika Sempana Ginting; Posman Manurung; Yanti Yulianti
Jurnal Teori dan Aplikasi Fisika Vol. 10 No. 1 (2022): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v10i1.285

Abstract

KARAKTERISTIK FUNGSIONALITAS DAN MIKROSTRUKTUR KOMPOSIT ASPAL-SILIKA-KARBOSIL Lady Permatasari; Simon Sembiring; Posman Manurung
Jurnal Teori dan Aplikasi Fisika Vol. 10 No. 1 (2022): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v10i1.286

Abstract

Synthesis and characterization of asphalt have been modified with silica and carbosil composite. This research was conducted to determine the functionality and microstructure of the asphalt-silica-carbosil composite with a weight composition ratio of 0:50:50; 15:42.5:42.5; 20:40:40; 25:37.5:37.5; 30:35:35; 35:32.5:32.5. Silica is obtained from rice husk using the sol gel method and carbosil was obtained by the pyrolysis method. The results of FTIR analysis obtained that the functional groups formed from each composition variation were O-H, C-H, C?C, C=O, Si-O-Si, and Si-O. The results of microstructural analysis showed the presence of lumps scattered on the surface. The composition of the elements formed is dominated by elements of C, Si, O, N, and a little Na, K and S. Variations in the composition of the sample indicate an increase in the density value, a decrease in the value of water absorption and hardness.Telah dilakukan sintesis dan karakterisasi aspal yang dimodifikasi dengan komposit silika dan karbosil. Penelitian ini dilakukan untuk mengetahui fungsionalitas dan mikrostruktur komposit aspal-silika-karbosil dengan perbandingan komposisi berat 0:50:50; 15:42.5:42.5; 20:40:40; 25:37.5:37.5; 30:35:35; 35:32.5:32.5. Silika diperoleh dengan menggunakan metode alkalis dan karbosil diperoleh dengan metode pirolisis. Hasil analisis FTIR diperoleh gugus fungsi yang terbentuk dari setiap variasi komposisi yaitu O-H, C-H, C?C, C=O, Si-O-Si, dan Si-O. Hasil analisis mikrostruktur menunjukkan adanya gumpalan yang mengindikasikan sebagai silika-karbosil yang tersebar di permukaan. Komposisi unsur yang terbentuk adalah didominasi unsur C, Si, O, N, dan sedikit Na, K dan S. Variasi komposisi sampel menunjukkan adanya peningkatan nilai densitas, penurunan nilai daya serap air dan kekerasan.
Pengaruh Waktu Penambahan Doping Fluor terhadap Luas Permukaan dan Struktur Nanotitania dengan Menggunakan Metode Sol-Gel Puji Lestari; Posman Manurung; Pulung Karo-karo
Jurnal Teori dan Aplikasi Fisika Vol. 10 No. 2 (2022): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v10i2.294

Abstract

SINTESIS DAN KARAKTERISASI SERAT NANOTITANIA DENGAN METODE ELECTROSPINNING Nurul Oktavia; Posman Manurung; Junaidi Junaidi; Pulung Karo-Karo
Jurnal Teori dan Aplikasi Fisika Vol. 10 No. 2 (2022): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v10i2.298

Abstract

Co-Authors Abdurrahman, Ahmad Faruq Adeliya Ayu Anggraini Agus Riyanto Agus Riyanto Agus Riyanto Agus Riyanto Agus Suyatna Ahmad Faruq Abdurrahman Ahmad Rosadi Alfin Edo Kaisar Lubis Amir Supriyanto Anggi Puspita Dewi Anggi Stevani Anggraini, Adeliya Ayu Anggraini, Anisyah Arya R. Syah Ayu Aprilia Ayu Aprilia Benyamin, Chairunissa A Chandra Ertikanto Craig Buckley Delfi Oktavia Amrani Della M. Andini Dita Rahmayanti Donna Agnesia Dwi Asmi Edi Suharyadi Ediman Ginting Ediman Ginting Ediman Ginting Ediman Ginting Suka Erika Sempana Erika Sempana Ginting Fajar Nurjaman Faradilla Syani Fatia Ulfah Fegi Liani Firdaus, Iqbal Flora Rosdiana Lumbansiantar Futichah Futichah Futichah Futichah Gregorius N. Susanto Gultom, Rysa Sonya Reni Paulin Gurum Ahmad Pauzi Hasni Handayani Hesti Wahyu Handani Imaniar Romaeni Indra Pardede Iqbal Firdaus Irma Yulianti It Meng Low Jayanti Pusvitasari Johar Sitohang Junaidi Junaidi - Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Juniati Br Simbolon Karo Karo, Pulung Karo, Pulung Karo Ketut Putra Wijaya Lady Permatasari Lusi Vusfita Sari Maharani Maharani Maharani, Renita Marjunus, Ronius Marjunus, Roniyus Mega Pertiwi, Mega Mey Puji Astuti Miranti Syafitri Mitra Septanto Nabilah Rafidiyah Nadia Febriyanti Nita Susanti Nola Fricilia Nurcahayaniati, Hikmah Nurqori Setiawati Nurul Oktavia Prastica, Lusia Puji Lestari Pulung Karo-Karo Pulung Karo-karo Pulung Karo-Karo Putri, Faradilla Nabila R. Supryanto Rahayu, Sri Rahma Fauza Rahmayanti, Dita Renita Maharani Fauzi Rika Rahayu Riska Trisna Nuraini Riyanto, Agus Rizki Amalia Rudy Situmeang Rudy Situmeang Rudy T M Situmeang S Suprihatin Sahtoni Sahtoni, Sahtoni Salwa Dian Pertiwi Sari, Tria Permata Sembiring, Simon Sempana, Erika Shabrina, Shabrina Yakosati Simon Sembiring Simon Sembiring Simon Sembiring Simon Sembiring Siti Fadilah Sitohang, Rosanti Sri Rahayu Sri Ratna Sulistiyanti sri wahyu suciayti Sri Wahyu Suciyati Sri Wahyu Suciyati Suharyadi, Edy Sukma Wibowo Sumardi . Sumardi, Sumardi Sumiyati Sumiyati Supardi Supardi Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Supriyanto, Amir Surya Prihanto Syafriadi Syafriadi Syafriadi Syafriadi Syafriadi Tria Permata Sari Trianasari Trianasari Trianasari, Trianasari Vega Rahmawati Ar Vidi Nurhidayah Wasinton Simanjuntak Windhini Anggraeni Yanti Yulianti Yanti Yulianti Yanti Yulianti Yanti Yulianti Yanti Yulianti Yanti Yulianti Yuant Tiandho Yudhistira Novita Handayani Yunita Yunita Yusril Al Fath Zaharani, Rethanita Zahra Maria Ulfa