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ERE4.6 | Applications of Laser-Induced Breakdown Spectroscopy (LIBS) from exploration to (post-)beneficiation of mineral raw materials
EDI
Applications of Laser-Induced Breakdown Spectroscopy (LIBS) from exploration to (post-)beneficiation of mineral raw materials
Convener: Renata BarrosECSECS | Co-conveners: Christian Burlet, Pedro Jorge, Ana Pires
Laser-Induced Breakdown Spectroscopy (LIBS) is a fast, in-situ analytical technique based on spectroscopic analysis of light emitted from the decay of electrons to lower-energy states in cooling laser-induced plasmas. Some of its advantages are that it requires little or no sample preparation, and the wavelength range typically measured can cover most chemical elements, including some which are difficult to identify with more traditional techniques (notably lithium), which results in a detailed and complete chemical signature of a small spot. It is a well-established technique for qualitative and semi-quantitative geochemical characterization and imaging, allowing for more effective sample preparation for further quantitative or more sensitive analysis. LIBS has been widely used in soil studies and it’s increasingly becoming relevant for mineral exploration, but evolving LIBS research show the range of its applications is far from exhausted.
In this context, we invite contributions from researchers applying LIBS techniques to tackle challenges related to the whole life cycle of mineral raw materials, which might include (but are not limited to) innovation in mineral exploration, optimization of ore extraction and sorting, or monitoring of environmental impact.