CHARACTERIZATION BY EMISSION-SPECTROMETRY OF A LASER-PRODUCED PLASMA FROM A COPPER TARGET IN AIR AT ATMOSPHERIC-PRESSURE

被引：46

作者：

AUTIN, M

BRIAND, A

MAUCHIEN, P

MERMET, JM

机构：

[1] CEA SACLAY,SPEA,DPE,SPECT LASER ANALYT LAB,F-91191 GIF SUR YVETTE,FRANCE

[2] UNIV LYON 1,SCI ANALYT LAB,F-69622 VILLEURBANNE,FRANCE

来源：

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY | 1993年 / 48卷 / 6-7期

关键词：

D O I：

10.1016/0584-8547(93)80089-D

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A laser-produced plasma is generated from a copper target using a nitrogen laser. The plasma is formed in air at atmospheric pressure. The temporal characteristics of the plasma are studied by atomic emission spectrometry. The features of the spectra such as the type of lines and the line broadening are described and compared to those obtained at reduced pressure or in other gases. As self-absorption is predominant when the plasma first forms, a time delay is required to obtain the best analytical performance. Limits of detection in the range of 1 - 10 ppm are obtained for copper.

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页码：851 / 862

页数：12

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