Abstract

The experimental conditions associated with slurry measurements to achieve good precision by using laser-induced breakdown spectroscopy (LIBS) are examined. LIBS analysis was applied to a special waste slurry sample that contains 85.4% water, 2.5% ferric oxide ${\mathrm{F}\mathrm{e}}_2{\text{O}}_3$, 1.7% alumina ${\text{Al}}_2{\text{O}}_3$, and small quantities of oxides of boron and chromium. While liquids add challenge to LIBS measurements, the analysis was successfully performed on iron and aluminum. Two slurry circulation systems were devised to overcome the major technical problems associated with LIBS measurements of slurry samples, namely, sedimentation and change in the lens-to-sample distance during measurement. LIBS slurry measurements using both circulation systems are compared. The results show that the experimental configuration plays a crucial role for online slurry analysis.

© 2007 Optical Society of America

On-stream analysis of iron ore slurry using laser-induced breakdown spectroscopy

Xiao Cheng, Xinyan Yang, Zhihao Zhu, Lianbo Guo, Xiangyou Li, Yongfeng Lu, and Xiaoyan Zeng
Appl. Opt. 56(33) 9144-9149 (2017)

Elemental analysis of slurry samples with laser induced breakdown spectroscopy

Kemal E. Eseller, Markandey M. Tripathi, Fang-Yu Yueh, and Jagdish P. Singh
Appl. Opt. 49(13) C21-C26 (2010)

Parametric study of pellets for elemental analysis with laser-induced breakdown spectroscopy

Bansi Lal, Hongbo Zheng, Fang-Yu Yueh, and Jagdish P. Singh
Appl. Opt. 43(13) 2792-2797 (2004)

Laser-induced breakdown spectroscopy of liquid solutions: a comparative study on the forms of liquid surface and liquid aerosol

Xinyan Yang, Lianbo Guo, Jiaming Li, Rongxing Yi, Zhongqi Hao, Meng Shen, Ran Zhou, Kuohu Li, Xiangyou Li, Yongfeng Lu, and Xiaoyan Zeng
Appl. Opt. 55(26) 7406-7411 (2016)

Shooting slurries with laser-induced breakdown spectroscopy: sampling is the name of the game

Daniel Michaud, Eric Proulx, Jean-Guy Chartrand, and Louis Barrette
Appl. Opt. 42(30) 6179-6183 (2003)