Results 1 to 10 of about 69,666 (186)

Laser-Induced Breakdown Spectroscopy in Africa [PDF]

Journal of Chemistry, 2015
Laser-induced breakdown spectroscopy (LIBS), known also as laser-induced plasma spectroscopy (LIPS), is a well-known spectrochemical elemental analysis technique.
M. A. Kasem, M. A. Harith
doaj   +2 more sources

Laser-Induced Breakdown Spectroscopy vs. Fluorescence Spectroscopy for Olive Oil Authentication [PDF]

Foods
In the present work, laser-induced breakdown spectroscopy (LIBS) and fluorescence spectroscopy are used and assessed for the detection of EVOOs’ adulteration with some non-EVOO edible oils (i.e., pomace, corn, sunflower, and soybean) and the ...
Marios Bekogianni, Theodoros Stamatoukos, Eleni Nanou, Stelios Couris   +3 more
doaj   +2 more sources

Characterization of Functional Coatings on Cork Stoppers with Laser-Induced Breakdown Spectroscopy Imaging [PDF]

Sensors, 2023
Evaluating the efficiency of surface treatments is a problem of paramount importance for the cork stopper industry. Generically, these treatments create coatings that aim to enhance the impermeability and lubrification of cork stoppers.
Miguel F. S. Ferreira, Diana Guimarães, Rafaela Oliveira, Tomás Lopes, Diana Capela, José Marrafa, Pedro Meneses, Armindo Oliveira, Carlos Baptista, Tiago Gomes, Sérgio Moutinho, José Coelho, Raquel Nunes da Silva, Nuno A. Silva, Pedro A. S. Jorge   +14 more
doaj   +2 more sources

Assessing the Sensitivity and Efficiency of Laser-Induced Breakdown Spectroscopy (LIBS) for High-Concentration Cadmium Detection in Cocoa Powder [PDF]

Sensors
Cocoa is a major commodity in the global food industry. Heavy metal contamination, particularly cadmium (Cd), raises significant concerns. This work demonstrates the use of laser-induced breakdown spectroscopy (LIBS) for fast Cd quantification in ...
Juan Molina M., Raquel Pincay, Víctor Santos, José Luis González, María Fernanda Trujillo Guerrero, Diego Díaz Pace, César Costa-Vera   +6 more
doaj   +2 more sources

Laser-Induced Breakdown Spectroscopy [PDF]

Analytical Chemistry, 2012
■ CONTENTS General Information: Books, Reviews, and Conferences 640 Fundamentals 641 Interaction of Laser Beam with Matter 641 Factors Affecting Laser Ablation and LaserInduced Plasma Formation 642 Influence of Target on the Laser-Induced Plasmas 642 Influence of Laser Parameters on the LaserInduced Plasmas 643 Laser Wavelength (λ) 643 Laser Pulse ...
Francisco J, Fortes, Javier, Moros, Patricia, Lucena, Luisa M, Cabalín, J Javier, Laserna   +4 more
  +8 more sources

Breakdown Spectroscopy Induced by Nonlinear Interactions of Femtosecond Laser Filaments and Multidimensional Plasma Gratings

Ultrafast Science, 2023
Breakdown spectroscopy is a valuable tool for determining elements in solids, liquids, and gases. All materials in the breakdown region can be ionized and dissociated into highly excited fragments and emit characteristic fluorescence spectra.
Mengyun Hu, Shupeng Xu, Shuai Yuan, Heping Zeng   +3 more
doaj   +1 more source

APPLICATION OF THE LASER INDUCED BREAKDOWN SPECTROSCOPYTECHNIQUE TO THE DETECTION OF Cl IN CHARD TO INFER THE PRESENCE OF PESTICIDES

Anales (Asociación Física Argentina), 2021
Pesticide residues in food are a threat to consumption. However, detecting residues quickly and directly on the sample is a complex job. In this work, the potential application of the Laser Induced Breakdown Spectroscopy (LIBS) technique for the rapid ...
L. J. Martino, C. A. D’Angelo
doaj   +1 more source

Insulator contamination analysis based on laser-induced breakdown spectroscopy [PDF]

电力工程技术, 2022
Pollution flashover is one of the main factors threatening the safety of power system. In order to prevent pollution flashover accident,it is necessary to regularly analyze the contamination of insulator surface.
JIN Tao, LU Shan, LIU Xingting, HE Yongqi, WANG Xilin, JIA Zhidong   +5 more
doaj   +1 more source

Laser Induced Breakdown Spectroscopy [PDF]

Journal of the Brazilian Chemical Society, 2007
This review describes the fundamentals, instrumentation, applications and future trends of an analytical technique that is in its early stages of consolidation and is establishing its definitive niches among modern spectrometric techniques. The technique has been named Laser Induced Breakdown Spectroscopy (LIBS) and its main characteristic stands in ...
Pasquini, Celio, Cortez, Juliana, Silva, Lucas M. C., Gonzaga, Fabiano B.   +3 more
openaire   +4 more sources

Analysis of Cu and Zn contents in aluminum alloys by femtosecond laser-ablation spark-induced breakdown spectroscopy

Open Physics, 2023
To enhance the sensitivity of detecting Cu and Zn in aluminum alloys, we incorporated a spark discharge unit into the femtosecond laser-induced breakdown spectroscopy (fs-LIBS) system, forming a femtosecond laser ablation spark-induced breakdown ...
Pinjun Li, Zhengye Xiong, Zidong Ma, Jingyuan Guo, Chunxi Wang   +4 more
doaj   +1 more source