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Laser Induced Breakdown Spectroscopy (LIBS) is an analytical technique for rapid chemical sensing that is becoming increasingly in field applications. LIBS is a form of atomic emission spectroscopy. When a high-powered pulsed laser beam is focused on the sample, it produces a plasma that emits wavelengths of light that can be observed using a spectrograph to identify the composition of the target...
Laser-Induced Breakdown Spectroscopy (LIBS) is being investigated as a technique to perform in situ multielement chemical analysis of liquids at sea. The purpose of this study is to develop a method to quantify the concentration of ions dissolved in seawater using LIBS. LIBS signals suffer from shot-to-shot variations which often limit their application to qualitative or semi-quantitative analysis...
The aim of this study is to investigate the application of Calibration-Free Laser-Induced Breakdown Spectroscopy (CF-LIBS) calculations, to determine the composition of metals and minerals submerged in seawater using a long-pulse laser. The compositions of six different brass standard samples submerged in seawater calculated using CF-LIBS showed good agreement with their certified values. For analysis...
The application of laser-induced plasmas has been investigated as a mechanism to perform in situ, multi-element chemical analysis of liquids and immersed solids at sea during marine surveys. Analytically useful spectra have been observed from plasmas generated by irradiation of a high power pulsed laser in both bulk liquids and immersed solids using a single pulse at hydrostatic pressures of up to...
Laser-induced breakdown spectroscopy (LIBS) is a chemical sensing technique that has been demonstrated in numerous applications on land. This study investigates the application of LIBS as a technique for in situ analysis of the chemical composition of the ocean. The effects of pressure on the spectral emissions of various different elements in bulk aqueous solution has been evaluated, and imaging...
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