Artikel dari Penerbit "Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung"

Ditemukan 116 artikel.


Pengaruh Laju Penambahan Doping Fosfor terhadap Struktur Kristal dan Luas Permukaan Spesifik Nanotitania dengan Metode Sol Gel

Oleh: Nurhidayah, Vidi, Manurung, Posman, Ginting, Ediman

Research on the effect of the addition phosphorus doping using a syringe pump with the sol-gel method. The purpose of this study was to determine the effect of the addition rate of phosphorus doping to the crystal structure and specific surface area of TiO2. Doping increment rate used are 0,4; 0,2; ...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 72 - 79

Design and Build Voltage and Current Monitoring Parameters Device of Rechargeable Batteries in Real-Time Using the INA219 GY-219 Sensor

Oleh: Bayu, Bayu Jiah Setiawan, Gurum, Gurum Ahmad Pauzi, Agus, Agus Riyanto

Research on the manufacture of devices for monitoring battery voltage and current parameters has been carried out and developed using different types of sensors. This research have been released a device that can monitor battery voltage and current parameters in real time in the charge and discharge...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 2 (2023): Journal of Energy, Material, and Instrumentation Technology; 58-71

Design and Load Analysis of an Orbital Shaker using a Keypad as Input Based on Arduino Uno

Oleh: Pauzi, Gurum Ahmad , Septiani, Elsyana, Suciati, Sri Wahyu

This study aims to develop an orbital shaker device with an Arduino Uno-based input system for rpm and time, utilizing a keypad as the input medium. The orbital shaker is designed to homogenize chemical solutions through circular motion, featuring display functions for rpm and mixing time. The devic...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 4 (2024): Journal of Energy, Material, and Instrumentation Technology; 124-132

The Effect of Adding Corn Cob Ash to The Physical and Mechanical Properties of Mortar

Oleh: Karo, Pulung Karo, Rio Orlando Pratama, Marjunus, Roniyus

The research was carried out about the effect of adding corn cob ash on mortar's physical and mechanical properties. Mortar was molded with three compositions, i.e., portland cement, corn cob ash, and corn husk fiber. Corn cob ash was burned at a temperature of 700  for 2 hours. Corn husk fiber was...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 1 (2023): Journal of Energy, Material, and Instrumentation Technology; 19-26

Analysis of the Effect of Variations of Silica Concentration on Synthesis γ-Al2O3

Oleh: Fuadiyah, Nadhifatul, Marjunus, Roniyus, Rustyawan, Wawan

Research has been carried out to analyze the effect of variations in silica concentration on the synthesis of γ-Al2O3. This research was conducted to determine the variation of Silica against the support γ-Al2O3which is the best as a hydrotreating catalyst in the green fuel indus...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 1-9

Efek NaOH pada Pembentukan Nano ZnO Metode Hidrotermal

Oleh: Fauza, Rahma, Manurung, Posman, Yulianti, Yanti

Hydrothermal methods have been developed for the manufacture of ZnO. This study aims to find out the effects of variation on the chemical composition and structure of nanoZnO, the nanoZnO phase formed and the nanoZnO particle size formed. The NaOH variation used is 1; 2; 3; and 4 grams. The characte...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 98 - 103

Pengaruh Inhibitor Ekstrak Daun Inai (Lawsonia inermis L) Terhadap Laju Korosi Baja St37 dalam Larutan HCl 3%

Oleh: Rani, Oricha Mutia, Suka, Ediman Ginting, Yulianti, Yanti

Henna leaves extract (Lawsonia inermis L) is used as a corrosion inhibitor in St37 steel soaked in 3% HCl corrosive medium. To find out the effect of inhibitor concentration on the corrosion rate of steel, the variation of inhibitor concentration is 0, 3, 5, 7 and 9%. Corrosion rate testing is done ...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 104 - 109

Analisis Laju Korosi Baja St37 dengan Inhibitor Ekstrak Daun Jambu Biji dalam Medium Korosif HCl 3% pada Suhu 80°C dan 100°C

Oleh: Citra, Putri Vidia, Suka, Ediman Ginting, Riyanto, Agus

This study aims to determine the effectiveness of guava leaf extract as an inhibitor of St37 steel in 3% HCl corrosive medium. Weight reduction method is used to determine the value of the resulting corrosion rate. Soaking of St37 steel at 80 ° C and 100 ° C was carried out with variations in the ...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 110 - 115

Karakteristik Struktur Dan Fungsional Aspal Komposit dengan Perbandingan 85%:15%

Oleh: Putra, Samuel Nugroho, Sembiring, Simon, Riyanto, Agus

Synthesis and characterization of rice husk and asphalt silica composites was carried out with a ratio of 85%: 15%. Silica synthesis from rice husk was carried out by the sol-gel method. The materials used in this study were rice husks, asphalt, distilled water, gasoline, NaOH and HNO3. Then the sil...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 4 (2021): Journal of Energy, Material, and Instrumentation Technology; 141 - 146

Sintesis Nanotitania dengan Cara Hidrotermal sebagai Fungsi Suhu

Oleh: Sumiyati, Sumiyati, Manurung, Posman, Suprihatin, Suprihatin

Research has been carried out on the synthesis of nanotitania by hydrothermal as a function of temperature. The purpose of this study was to determine the effect of temperature on the phase formation, structure and particle size of TiO2 using the hydrothermal method with TiOSO4 as the main ingredien...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 4 (2021): Journal of Energy, Material, and Instrumentation Technology; 147 - 151