Rapid determination of zinc in soils by laser-induced breakdown spectroscopy

被引：0

作者：

A. M. Popov

M. O. Kozhnov

T. A. Labutin

S. M. Zaytsev

A. N. Drozdova

N. A. Mityurev

机构：

[1] Lomonosov Moscow State University,

来源：

Technical Physics Letters | 2013年 / 39卷

关键词：

Technical Physic Letter; Laser Plasma; Laser Induce Breakdown Spectroscopy; Geochemical Anomaly; Single Laser Pulse;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The possibility of quantitative detection of trace zinc levels in soils per single laser pulse using laser-induced breakdown spectroscopy is shown. The development of laser plasma and the signal-to-noise ratio are studied when evaporating soils by the second (532 nm) and the third (355 nm) harmonics of an Nd:YAG pulse laser. The use of the third harmonics permits one to reach the zinc detection limit (18 ppm) below Occupational Exposure Limits (OEL) in soil (150 ppm) and below the mean abundance in the earth’s crust of zinc (83 ppm). This allows the use of the suggested technique for the rapid determination of soil pollution with zinc and searching for geochemical anomalies.

引用

页码：81 / 83

页数：2