The use of simple spectrophotometer in STEM education: A bibliometric analysis

AS Shidiq, A Permanasari… - Moroccan Journal of …, 2021 - revues.imist.ma
This study aims to provide a bibliometric analysis on the topic of the simple
spectrophotometer. By using the VOSviewer software, bibliometric analysis methods from …

Developing a Portable Spectrometer to Detect Chemical Contaminants in Irrigation Water

SN Zainurin, WZ Wan Ismail, WAN Wan Azlan… - Agriculture, 2023 - mdpi.com
Water pollution is a critical issue since it can severely affect health and the environment. The
purpose of the study is to develop a portable spectrometer (ESP32-based spectrometer) to …

Detection of Chemical Contaminants in Water for Irrigation Systems: A Systematic Review

SN Zainurin, WZW Ismail, I Ismail… - Journal of Advanced …, 2024 - semarakilmu.com.my
Water pollution is a detrimental issue that occurs when there are bad changes in water
quality parameters. It directly disrupts water usage and poses a danger to society …

[PDF][PDF] The potential of fish scale application as photothermal raw material in seawater desalination

DP Pandara, KA Masengi, GH Tamuntuan… - 2022 - repo.unsrat.ac.id
The potential of fish scale application as photothermal raw material in seawater
desalination Page 1 The potential of fish scale application as photothermal raw material in …

Simple fluorescence imaging to identify the purity of olive oil: an activity in an optics course

P Listiaji - Physics Education, 2021 - iopscience.iop.org
The current pandemic era demands distance learning, including physics experiments on the
topic of optics. One of the optical phenomena that needs to be explained in optic courses is …

Validasi Metode Analisis Konsentrasi Larutan Kopi berdasarkan Spektroskopi Absorpsi Cahaya

N Fajri, EC Prima, R Riandi… - JIPFRI (Jurnal Inovasi …, 2024 - journal.unuha.ac.id
Penelitian ini bertujuan untuk memvalidasi metode analisis konsentrasi larutan kopi melalui
pengukuran absorbansi cahaya dengan menggunakan spektrofotometri sederhana …

Application of the Oscillation Concept: Measuring the Human Respiration Rate in Various Activities Using a Smartphone's Magnetometer Sensor

P Listiaji, A Amalia Putri, TD Wulandari - The Physics Teacher, 2023 - pubs.aip.org
Method The setup device consists of a magnetometer sensor on a smartphone that has the
Phyphox application installed, permanent magnets, and a human subject. The experimental …

Effect of repeated frying on the refractive index of cooking oil: A simple investigation in the optics course

P Listiaji, AA Putri, A Rohman - AIP Conference Proceedings, 2023 - pubs.aip.org
Physics students in higher education need simple experimental activities that they can do
independently at home during pandemic era. This study offers a simple experiment in the …

Developing an Automated Spectrophotometer with RGB LED and Light Sensor Using Arduino Microcontroller

E Cha, H Lee - … of International Research in Medical and …, 2024 - research.send4journal.com
This research used RGB LED (Red Green Blue Light Emission Diode), LDR (Light
Dependent Resistant) sensors, 3D printed sampling cartridge, and Arduino Mega to create a …