Aqueous ruthenium detection by microwave-assisted laser-induced breakdown spectroscopy

被引：8
|
作者：
Abu Kasim, Abu Farhan [1 ]
Wakil, M. A. [1 ]
Grant, Kevin [1 ]
Hearn, Milton [1 ]
Alwahabi, Zeyad T. [1 ]
机构：
[1] Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, Australia
来源：
PLASMA SCIENCE & TECHNOLOGY | 2022年 / 24卷 / 08期
关键词：
microwave-assisted laser induced breakdown spectroscopy; ruthenium detection; laser induced breakdown spectroscopy; LIQUID; CATALYST; HYDROGENATION; METATHESIS; EFFICIENT; SODIUM; WATER;
D O I：
10.1088/2058-6272/ac6733
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Aqueous ruthenium was detected in real-time under ambient conditions using microwave-assisted laser-induced breakdown spectroscopy (MW-LIBS). A 10 mJ laser energy and 750 W microwave power were directed at an open liquid jet sample of ruthenium. It was observed that, for liquid flow, the coupling efficiency between the microwave and the laser-induced plasma was limited to 43%. The improvement in the ruthenium's signal-to-noise ratio with MW-LIBS, with respect to LIBS, was 76-fold. Based on MW-LIBS, the limit of detection for aqueous ruthenium was determined to be 957 +/- 84 ppb.
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页数：8
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