Relab team, Determination of pesticide concentration by Ultraviolet/Visible spectrometry, mini video experiment (open educational resource in a form of a one-minute experiment)
Abstract
Demonstration exercises for determining the concentration of pesticides by means of UV/Vis spectrometry are presented comprising the most important theoretical foundations of Lambert-Beer law and segments of laboratory work on determining the concentration of pesticides are presented.
Keywords: Spectrophotometry; Pesticide determination
Literature:
1. Peter Atkins, Julio de Paula, Physical Chemistry 8th Edition W. H. Freeman; 2006. ISBN 978-0716787594
2. Ljubiša Ignjatović, Maja Milojević-Rakić, Analytical methods in environmental physical chemistry, Faculty of Physical Chemistry, 2021. ISBN 978-86-82139-83-6.
Areas:
Physical chemistry / Environmental protection / Spectrophotometry
Objective: To demonstrate the laboratory procedure for determination of the pesticide concentration by UV/Vis spectrophotometry method.
Purpose: Introduction to the basic instrumental techniques for analytics in environmental science.
Outcome: In a few minutes of the video, the most important theoretical foundations and segments of laboratory work on preparing calibration solutions and measuring absorbance by spectrophotometry are presented. Demonstration of the laboratory exercises is given through a short and compelling video.
Users: students in the field of natural/ material /environmental science
