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

被引：9

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.

引用

页数：8

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