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《Chemical Research In Chinese Universities》 1989-09
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Studies on A Micro-Sample Introduction System for MIPAES

Que Hong, Zhang Hanqi, Jin Qinhan(Q. Jin) (Department of Chemistry, Mm University, Changchun)  
In order to overcome the problem of low sample tolerance of MIP with a high excitation capability , a new microsample introduction system based on the combination of microelectrothermal vaporization (ETV) and desolvation with concentrated sulfuric acid was developed. A comparison between the new system and the conventional desolvation system with a condensor was made. It was shown that the water vapor was better removed by the new system and the stability and the excitation capability were therefore improved. The new sample introduction system is of practical usage. The spectroscopic behavior of Ar MIP and He MIP and the effects of easily ionized elements were studied.
【Fund】: 国家自然科学基金
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