| 光谱学与光谱分析 |
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| Study of Fundamental Parameters of Inductively Coupled Plasma for Slurry Nebulization——Electron Density Determination |
| WANG Zheng1, 2, QIU De-ren2, TAO Guang-yi1, YANG Peng-yuan2* |
1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
2. Department of Chemistry, Fudan University, Shanghai 200433, China |
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Abstract The electron density of the plasma for slurry nebulization inductively coupled plasma emission spectrometry was determined and reported in the present paper. The Stark broadening method of Hβ line (486.1 nm) was chosen and used to determine the electron density of the plasma for nebulization into the inductively coupled plasma with both the aqueous solution and different concentration titanium slurry. There are approximately the same plasma electron density results of 1015 cm-3 for the two nebulization ways. The experiment verified that the plasma electron density only shows a litter decrease with 10％ TiO2 suspension nebulization into the inductively coupled plasma. This means that the plasma electron density does not change remarkably with high content suspension nebulization into the inductively coupled plasma emission spectrometry instrument. It will help trace elements determination by using high concentration suspension nebulization into the inductively coupled plasma emission spectrometry instrument.
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Received: 2008-01-28
Accepted: 2008-05-06
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Corresponding Authors:
YANG Peng-yuan
E-mail: wangzheng@mail.sic.ac.cn
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