Detection of trace phosphorus in water by plasma amplification laser-induced breakdown spectroscopy

被引：2

作者：

Yang, Xinyan ^{[1
]}

Wang, Xin ^{[1
]}

Wang, Xi ^{[1
,2
,3
]}

Wang, Biyi ^{[2
,3
]}

Li, Dongdong ^{[1
]}

Zhang, Xu ^{[1
]}

Ren, Hongmei ^{[1
]}

Qin, Hengbo ^{[1
]}

Zhou, Zhengxian ^{[1
]}

Zheng, Xianfeng ^{[1
]}

机构：

[1] Anhui Normal Univ, Dept Phys, Anhui Prov Key Lab Optoelect Mat Sci & Technol, Wuhu 241000, Anhui, Peoples R China

[2] Natl Univ Def Technol, Elect Countermeasure Inst, State Key Lab Pulsed Power Laser Technol, Anhui Lab Adv Laser Technol, Hefei 230037, Peoples R China

[3] Natl Key Lab Electromagnet Space Secur, Tianjin 300308, Peoples R China

来源：

OPTICS EXPRESS | 2023年 / 31卷 / 24期

基金：

中国国家自然科学基金;

关键词：

SURFACE; AEROSOLS; ELEMENTS; LIQUIDS;

D O I：

10.1364/OE.502894

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

For monitoring the extent of eutrophication in water, phosphorus (P) was detected by laser-induced breakdown spectroscopy (LIBS). A plasma amplification method was proposed and the filtered aerosol was guided to interact with the collinear laser in conjunction with a nebulizer, cyclonic spray chamber, and quartz tube. With this method, the length of the plasma was amplified from 5.27-8.73 to 17.58 mm. Moreover, the limit of detection (LoD) values of P in water improved from 6.13-17.75 to 3.60 ppm. Furthermore, the average relative error (REAV) values reduced from 10.23-23.84 to 6.17%. The root mean square error of cross-validation (RMSECV) values decreased from 16.68-64.29 to 3.24 ppm. This demonstrated that plasma amplification LIBS could improve the quantitative analysis performance of LIBS detection of trace phosphorus in water.(c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：40345 / 40351

页数：7

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