Integrating LIBS and NIR for detection of heavy metals in perlite ores

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Abstract

Perlite products are used as a filter aid in the food industry. For such applications, the purity of the material is one of the most significant parameters of control. Early detection of heavy metals is therefore of great industrial interest. In this study, a sensor-based approach for chemical and mineralogical characterization enabled the identification of patterns in the distribution of heavy metals in the perlite ore. Integration of Laser-Induced Breakdown Spectroscopy (LIBS) and Near Infrared Spectroscopy (NIR) was used to determine the presence of heavy metals in perlite ores. The results have direct implications for the development of methods and techniques for material characterization, as well as for the mining of perlite ores.
Original languageEnglish
Title of host publication7th Sensor-Based Sorting & Control
EditorsThomas Pretz, Hermann Wortruba
Place of PublicationAachen, Germany
Pages195-208
Publication statusPublished - Feb 2016
Event7th International Conference on sensor-based sorting and control - Aachen
Duration: 23 Feb 201624 Feb 2016
Conference number: 7
https://eventegg.com/sbsc-2016-aachen

Conference

Conference7th International Conference on sensor-based sorting and control
Abbreviated titleSBSC 2016
CityAachen
Period23/02/1624/02/16
Internet address

Keywords

  • perlite
  • heavy metals
  • Near Infrared Spectroscopy
  • LIBS

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