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感应耦合等离子体中原子发射光谱的非局部热平衡(Ⅱ)──非沙哈电离平衡过程
Non-Local Thermal Equilibrium in ICP-AES Ⅱ──Non-Saha Ionization Equilibrium Process

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感应耦合等离子体中原子发射光谱的非局部热平衡(Ⅱ)─....pdf (195.7Kb)
Date
1994
Author
杨芃原
王小如
应海
王志勇
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  • 化学化工-已发表论文 [14237]
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Abstract
感应耦合等离子体中原子发射光谱的非局部热平衡(Ⅱ)──非沙哈电离平衡过程杨原,王小如,应海,王志勇(厦门大学化学系近代分析化学研究所,厦门,361005)关键词ICP-AES,非沙哈电离平衡,双极扩散过程实验已经证实用于原子发射光谱(AES)的感应耦...
 
Three parameters have been introduced to modiFy the Saha ionization equilibrium in a spectrochemical ICP.These parameters provide the necessary modiFications For the temperature diFFerence between heavier particles and electrons, For the emission From an opticalthin ICP, and For the ambipolar diFFusion of ion-electron pairs, respectively.It is conFirmed that the overpopulation of electron number density in the central channel of ICP is mainly caused by the ambipolar diFFusion process.As a consequence, this process enhances the charge exchange process between argon ions and analyte atoms in the central channel,which is principally responsible For the overpopulated analyte ion number density.
 
Citation
高等学校化学学报,1994,(3):370-372
URI
https://dspace.xmu.edu.cn/handle/2288/106622

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