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题名: A devices for measuring low temperature of filament in ion source of VG354 thermal ionization mass spectrometer and its application
作者: Xiao, YK ;  Wei, H ;  ZWang, QZ ;  Zhang, CG ;  Sun, AD
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
出版日期: 2002
卷号: 30, 期号:10, 页码:1272-1276
英文摘要: A device was designed to measure low temperature of filament in ion source of VG 354 thermal ionization mass spectrometry by assembling thermocouple thermometer and connector. This device can he used to measure instantly temperature on the surface of single filament in ion source. The functional correlation between the measured temperature of filament and the heating current through the filament was characterized by aft equation of y = -ax(3) + bx(2) - cx + d. The error of measured temperature is less than +/- 2 degreesC. The device was also applied to study the characteristics of non-reductive thermal ion emission of graphite in thermal ionization mass spectrometry and to study mechanism of M2BO2+ and M2X+ emission in the presence of graphite. A device was designed to measure low temperature of filament in ion source of VG 354 thermal ionization mass spectrometry by assembling thermocouple thermometer and connector. This device can he used to measure instantly temperature on the surface of single filament in ion source. The functional correlation between the measured temperature of filament and the heating current through the filament was characterized by aft equation of y = -ax(3) + bx(2) - cx + d. The error of measured temperature is less than +/- 2 degreesC. The device was also applied to study the characteristics of non-reductive thermal ion emission of graphite in thermal ionization mass spectrometry and to study mechanism of M2BO2+ and M2X+ emission in the presence of graphite.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2339
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Xiao, YK,Wei, H,ZWang, QZ,et al. A devices for measuring low temperature of filament in ion source of VG354 thermal ionization mass spectrometer and its application[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2002,30(10):1272-1276.
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