ISL OpenIR  > 青海盐湖研究所知识仓储
A devices for measuring low temperature of filament in ion source of VG354 thermal ionization mass spectrometer and its application
Xiao, YK; Wei, H; ZWang, QZ; Zhang, CG; Sun, AD
2002
Source PublicationCHINESE JOURNAL OF ANALYTICAL CHEMISTRY
ISSN0253-3820
Volume30Issue:10Pages:1272-1276
AbstractA 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.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/2339
Collection青海盐湖研究所知识仓储
Recommended Citation
GB/T 7714
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.
APA Xiao, YK,Wei, H,ZWang, QZ,Zhang, CG,&Sun, AD.(2002).A devices for measuring low temperature of filament in ion source of VG354 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 VG354 thermal ionization mass spectrometer and its application".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 30.10(2002):1272-1276.
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