Progress of Chemometrics in Laser-induced Breakdown Spectroscopy Analysis
Abstract Laser-induced breakdown spectroscopy (LIBS), a new type of element analytical technique with the advantages such as real-time, online, non-contact and multiple elements simultaneous analysis, is a frontier analytical technique in spectral analysis. However, it is still the main problem for LIBS technique to improve the accuracy of qualitative and quantitative analysis by extracting the useful information from a large number of complex LIBS data. Chemometrics is a chemical sub-discipline of multi-interdisciplinary, which has the advantages in date processing, signal analysis and pattern recognition. It can solve some complicated problems which are difficult for traditional chemical methods. In the paper, we reviewed the research progress of chemometrics methods in LIBS from the spectral data pre-processing, qualitative and quantitative analysis in recent years.