Accurate sulfur determination of coal using double-pulse laser-induced breakdown spectroscopy

Author:

Ma Yiwen1234,Zhang Wen1234,Xiong Zhang1234ORCID,Cui Haohao1234,Li Qingzhou1234,Zhou Ran1234,Zhang Youjian1234,Li Xiangyou1234ORCID,Zeng Xiaoyan1234,Li Qing564

Affiliation:

1. Wuhan National Laboratory for Optoelectronics (WNLO)

2. Huazhong University of Science and Technology (HUST)

3. Wuhan

4. P. R. China

5. Hubei Energy Group Ezhou Power Generation Company Limited

6. Ezhou 436032

Abstract

A helium atmosphere combined with DP-LIBS was presented to enhance the SNR and spectral intensity of S in coal, and weaken the spectral interference from O I 926.6 nm, to achieve high accuracy and sensitivity detection.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Spectroscopy,Analytical Chemistry

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