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A devices for measuring low temperature of filament in ion source of VG 354 thermal ionization mass spectrometer and its application
Xiao, YK; Wei, HZ; Wang, QZ; Zhang, CG; Sun, AD
2002-10-01
发表期刊CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
卷号30期号:10页码:1272-1276
文章类型Article
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.
关键词Mass Spectrometry Thermal Ion emissIon Measurement Of Temperature
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]PRECISION ISOTOPIC MEASUREMENT ; EMISSION
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Analytical
WOS记录号WOS:000178919300029
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6071
专题青海盐湖研究所知识仓储
作者单位Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
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Xiao, YK,Wei, HZ,Wang, QZ,et al. A devices for measuring low temperature of filament in ion source of VG 354 thermal ionization mass spectrometer and its application[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2002,30(10):1272-1276.
APA Xiao, YK,Wei, HZ,Wang, QZ,Zhang, CG,&Sun, AD.(2002).A devices for measuring low temperature of filament in ion source of VG 354 thermal ionization mass spectrometer and its application.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,30(10),1272-1276.
MLA Xiao, YK,et al."A devices for measuring low temperature of filament in ion source of VG 354 thermal ionization mass spectrometer and its application".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 30.10(2002):1272-1276.
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