SPATIAL-MAPPING OF ANALYTE DISTRIBUTION WITHIN A GRAPHITE-FURNACE ATOMIZER

被引：28

作者：

HUIE, CW

CURRAN, CJ

机构：

[1] State Univ of New York, United States

来源：

APPLIED SPECTROSCOPY | 1988年 / 42卷 / 07期

关键词：

Sodium and Alloys--Spectroscopic Analysis - Spectroscopy; Absorption;

D O I：

10.1366/0003702884430001

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A versatile diagnostic scheme based on the combination of the unique properties of a laser, such as collimation and monochromaticity, together with absorption spectroscopy and subsequent computer extraction of quantitative information from a video signal has been applied to acquire spatially and temporally resolved information in a graphite tube atomizer. Spatially resolved concentration profiles with a 256×240 array of intensities can be obtained in 1/60 second. This capability has been demonstrated in the study of sodium atom distribution within a graphite furnace. Spatially and temporally resolved absorbance profiles taken within the furnace show extreme nonuniformities throughout the lifetime of the sodium atom plane.

引用

收藏

页码：1307 / 1311

页数：5

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