Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials

S Carter, A Fisher, B Gibson, J Marshall… - Journal of Analytical …, 2017 - pubs.rsc.org
This ASU review focuses on developments in applications of atomic spectrometry to the
characterisation of metals, chemicals and materials. It is difficult to identify research trends …

A low-cost LIBS detection system combined with chemometrics for rapid identification of plastic waste

R Junjuri, MK Gundawar - Waste Management, 2020 - Elsevier
We present, rapid and efficient identification of ten different types of post-consumer plastics
obtained from a local recycling unit by deploying a low cost, compact CCD spectrometer in …

Femtosecond laser induced breakdown spectroscopy based standoff detection of explosives and discrimination using principal component analysis

AK Shaik, NR Epuru, H Syed, C Byram, VR Soma - Optics Express, 2018 - opg.optica.org
We report the standoff (up to~ 2 m) and remote (~ 8.5 m) detection of novel high energy
materials/explosive molecules (Nitroimidazoles and Nitropyrazoles) using the technique of …

Femtosecond laser-induced breakdown spectroscopy studies for the identification of plastics

R Junjuri, MK Gundawar - Journal of Analytical Atomic Spectrometry, 2019 - pubs.rsc.org
We report the identification of five extensively used post-consumer plastics using the
femtosecond laser-induced breakdown spectroscopy (fs-LIBS) technique. All the samples …

Single-shot compact spectrometer based standoff LIBS configuration for explosive detection using artificial neural networks

R Junjuri, AP Gummadi, MK Gundawar - Optik, 2020 - Elsevier
We report the development and optimization of a compact standoff laser-induced breakdown
spectroscopy (ST-LIBS) system for the investigation of explosives combined with multivariate …

In situ analytical characterization and chemical imaging of tablet coatings using laser induced breakdown spectroscopy (LIBS)

L Zou, B Kassim, JP Smith, JD Ormes, Y Liu, Q Tu, X Bu - Analyst, 2018 - pubs.rsc.org
Laser induced breakdown spectroscopy (LIBS) has emerged as an innovative tool for
quantitative and qualitative elemental analysis in pharmaceutical research. Herein, the …

Dependence of radiation decay constant of laser produced copper plasma on focal position

R Junjuri, SA Rashkovskiy, MK Gundawar - Physics of Plasmas, 2019 - pubs.aip.org
Laser-induced copper plasma is investigated experimentally and theoretically. Laser-
induced plasma on the surface of the copper sample is generated by focusing a …

[PDF][PDF] An Approach to Reduce the Sample Consumption for LIBS based Identification of Explosive Materials.

SK Anubham, R Junjuri, AK Myakalwar… - Defence Science …, 2017 - core.ac.uk
An experimental design based on spectral construction, which has potential to minimise the
sample consumption, the number of laser shots and time required to collect the data from …

Standoff Identification of Plastic Waste Using a Low-Cost Compact Laser-Induced Breakdown Spectroscopy (LIBS) Detection System

R Junjuri, AP Gummadi, MK Gundawar - Applied Spectroscopy, 2024 - opg.optica.org
We report the standoff/remote identification of post-consumer plastic waste by utilizing a low-
cost and compact standoff laser-induced breakdown spectroscopy (ST-LIBS) detection …

Chemometrics for data analysis

MK Gundawar, R Junjuri - Laser Induced Breakdown …, 2023 - Wiley Online Library
Chemometrics refers to the whole array of data analysis methods used to interpret the
chemical/spectroscopy data. However, in this age of artificial intelligence revolution, these …