Laser-induced Breakdown Spectroscopy Characterization Of Al In Bulk Material And AlCl₃ Solution

The laser-induced breakdown spectroscopy (LIBS) technique has been developed as a useful method for determining the elemental composition of different materials either in solid, liquid or gaseous phase. The main advantages of LIBS are based on its optical nature which enables direct non-contact and rapid analysis. This technique for solid sample analysis has been successfully applied to the on-line industry, however, the application of LIBS for solution remains interesting in the laboratory. In this thesis, some experimental investigations were carried out with the samples of metal Al and AlCl3 solutions, in the attempt of establishing a LIBS based technique for ocean environmental detection.The thesis begins with a detailed review of relevant studies of LIBS. The review focuses on characterizing and understanding the process the LIBS and promising applications of this technique are also discussed to show it is a promising analysis technique. Followed by the chapter 2 where the relevant concepts and principles of LIBS technique were introduced. The experimental apparatus involved in the investigation is consisted of three principal systems, viz. laser sources, spectrum detection system and data acquisition system. A detail description of these systems was given in Chapter 3. The sample preparation process is also briefly introduced in this chapter.The bulk of author's contribution, within the general group effort, was described in Chapter 4 and Chapter 5. The experimental investigation of LIBS with Al Bulk Material...