Application of Dual Laser Ionization to Trace Analysis of Sodium in a Flame
Resource
Journal of the Chinese Chemical Society 35 (3): 179-185
Journal
Journal of the Chinese Chemical Society
Journal Volume
35
Journal Issue
3
Pages
179-185
Date Issued
1988
Date
1988
Author(s)
林金全
杜逸興
許泰清
徐子正
Abstract
Abstract Dual laser ionization (DLI) is a technique which can be used to detect trace elements in a flame by ionizing the analyte via a dual‐laser stepwise excitation. As a powerful method for flame diagnostics, DLI can detect trace amount of Na at a concentration of ppb (ng/mL), more sensitive by two orders of magnitude than laser‐enhanced ionization (LEI), in which only single laser is used. To demonstrate its potential in trace analysis, we compare the detection limit of DLI for Na with other methods utilizing LEI, atomic emission and laser atomic absorption.
Type
journal article
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