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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
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Sifat Fisis Komposit Pe/Nanosilika sebagai Fungsi Ketebalan Tria Permata Sari; Posman Manurung; Agus Riyanto
Jurnal Teori dan Aplikasi Fisika Vol. 7 No. 1 (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.v7i1.208

Abstract

Polyethylene (PE) has been widely used as the insulation material of high voltage cables because of its outstanding physical, chemical, and electrical properties. In this research the amorph nanosilica powders were extracted from pumice using NaOH, H2SO4 and HCl. PE and nanosilica was mixed by mixer at temperature 95 OC and then made the film by using barcoater. The weight percentage of nanosilica was 5 and 10% with thickness of 6, 12 and 25?m respectively. The PE/nanosilica were characterized via Fourier Transform InfraRed (FTIR) spectroscopy and LCR measurement to abtain conductivity and permitivity respons as a function of frequency. The effect thickness on the electrical properties of PE/nanosilica of 5 and 10 % for conductivity values in samples 25 ?m thick has a greater conductivity value. Whereas for the electrica constant of two filer variation shows that the thicker the sample, the greater the electric constant value. Where as for the dielectric constant of two filler variations shows that the ticker the sample, the greater the electric constant value.
Pengaruh Variasi H2SO4 Pada Pembentukan Nanosilika Berbasis Batu Apung Riska Trisna Nuraini; Posman Manurung; Suprihatin Suprihatin
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.v7i2.212

Abstract

Pengaruh Ethanolamina (MEA) dalam Pembentukan TiO2 dari Bahan Awal Ti Butoksida Rika Rahayu; 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.v7i2.216

Abstract

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

Co-Authors Abdurrahman, Ahmad Faruq Adeliya Ayu Anggraini Agnesia, Donna 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 Aprilia, Ayu Arya R. Syah Ayu Aprilia Ayu Aprilia Benyamin, Chairunissa A Chandra Ertikanto Craig Buckley Delfi Oktavia Amrani Della M. Andini Dita Rahmayanti Dwi Asmi Edi Suharyadi Ediman Ginting Ediman Ginting Ediman Ginting Ediman Ginting Suka Erika Sempana Erika Sempana Ginting Fajar Nurjaman Faradilla Syani Fath, Yusril Al 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 Pertiwi, Salwa Dian Prastica, Lusia Prihanto, Surya 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 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 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 Zaharani, Rethanita Zahra Maria Ulfa