Detection of chlorine in cement matrix using microwave-enhanced laser-induced breakdown spectroscopy

被引：1
|
作者：
Illguth, Marcus [1 ]
Kapteina, Gesa [1 ]
Soriano, Joey Kim [2 ]
Ikeda, Yuji [2 ]
机构：
[1] HafenCity Univ Hamburg HCU, Henning Voscherau Pl 1, D-20457 Hamburg, Germany
[2] Lab Inc, KIBC, 5-5-2 Minatojima Minami, Kobe, Hyogo 6500046, Japan
来源：
OPTICS EXPRESS | 2024年 / 32卷 / 16期
关键词：
LIBS; ZIRCONIUM; PLASMA; FIBER;
D O I：
10.1364/OE.528517
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The detection of chloride in reinforced concrete, crucial for maintenance against damage from de-icing salt or seawater, is advanced by Laser-Induced Breakdown Spectroscopy (LIBS). This study demonstrates that integrating microwaves with LIBS enhances cement analysis, improving the signal-to-noise ratio by up to four times and extending the detection limit for chlorine to 0.17 +/- 0.02 wt%. As a method, microwave-enhanced LIBS (MWE-LIBS) has existed for a decade, but in cement analysis, MWE-LIBS has been used for the first time in Cl I atomic emission measurements. This pioneering approach provides a more efficient alternative, marking a significant advancement in cement analysis. (c) 2024 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：28727 / 28741
页数：15
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