Online analysis of potassium fertilizers by Laser-Induced Breakdown Spectroscopy

Y. Groisman, M. Gaft

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

Presently, online analysis in potassium fertilizers industry is performed by Natural Radioactivity Analyzers. Laser Distance Spectrometry (LDS) has tested, by laboratory scale, the possibility of Laser-Induced Breakdown Spectroscopy (LIBS) technique implementation for online fertilizers production control. The main advantage of the system comparing to the existing technique is the principal possibility to analyze all relevant elements, such as K, Na, Mg, and not only K40 isotope as done in natural radiation analytical systems. Good correlations between online LIBS results with chemical analysis data of K, Na and Mg impurities of samples from Russia, Belarus and Israel demonstrate that LIBS system is a perspective tool for online control of those elements in field conditions.

Original languageEnglish
Pages (from-to)744-749
Number of pages6
JournalSpectrochimica Acta - Part B Atomic Spectroscopy
Volume65
Issue number8
DOIs
StatePublished - Aug 2010
Externally publishedYes

Keywords

  • Fertilizers
  • KCl
  • LIBS
  • NaCl
  • Online

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