Thermospray Nebulization as Sample Introduction for Inductively Coupled Plasma Atomic Emission Spectrometry

Abstract

Abstract: Asample introduction system, thermospray nebulizer was coupled to an induc-tively coupled plasma atomic emission spectrometer.The optimization procedure includes the ICP operation conditions, the capillary temperature, the sample uptake rate, aeroso1 spraychamber temperature and the cooling water temperature.Under optimized conditions, thesensitivity for 23 elements obtained with the thermospray system is 14～25 times higher thanwith a pneumatic nebulizer- The thermospray systems have been shown to improve detectionlimits an Order of magnitude lower than that obtained with Pneumatic sample introduction.

Key words: ICP-AES, Thermospray nebulizer, Sample introduction

CLC Number:

O657.31

TrendMD:

ZHUANG Zhi-Xia, YANG Cheng-Long, LI Bo, YANG Peng-Yuan, WANG Xiao-Ru. Thermospray Nebulization as Sample Introduction for Inductively Coupled Plasma Atomic Emission Spectrometry[J]. Chem. J. Chinese Universities, 1997, 18(12): 1939.

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Thermospray Nebulization as Sample Introduction for Inductively Coupled Plasma Atomic Emission Spectrometry

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