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Emission of M2X+ cluster ions in thermal ionization mass spectrometry in the presence of graphite
Xiao, YK; Wei, HZ; Liu, WG; Wang, QZ; Zhou, YM; Wang, YH; Lu, H
2001-12-01
Source PublicationFRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY
Volume371Issue:8Pages:1098-1103
SubtypeArticle
AbstractThe emission of M2X+ cluster ions in thermal ionization mass spectrometry when graphite is loaded on the heating filaments was studied. The emission model of non-reductive thermal ionization of graphite was preliminarily discussed and factors influencing the thermal emission of M2X+ ions were investigated. The results show that the intensities of M2X+ cluster ions are related to ionic radius and crystal lattice energy, and possibly also to the solvation energies of ions. The intensities of M2Cl+ (M stands for K, Rb, and Cs) cluster ions, the M2Cl+/M+ ratios, and the Cl-37/Cl-35 ratios determined from M2Cl+ ion measurement usually increase with measurement time. The variation of the Cl-37/Cl-35 ratios determined from Cs2Cl+ ion measurement is lower than those based on K2Cl+ and Rb2Cl+ ion measurement, indicating the lowest isotopic fractionation.
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordPRECISE MEASUREMENT ; CHLORINE ; CS2CL+
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical
WOS IDWOS:000173198400013
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6049
Collection青海盐湖研究所知识仓储
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.CAS, Key Lab Loess & Quanternary Geol, Inst Earth Environm, Xian 710054, Peoples R China
Recommended Citation
GB/T 7714
Xiao, YK,Wei, HZ,Liu, WG,et al. Emission of M2X+ cluster ions in thermal ionization mass spectrometry in the presence of graphite[J]. FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY,2001,371(8):1098-1103.
APA Xiao, YK.,Wei, HZ.,Liu, WG.,Wang, QZ.,Zhou, YM.,...&Lu, H.(2001).Emission of M2X+ cluster ions in thermal ionization mass spectrometry in the presence of graphite.FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY,371(8),1098-1103.
MLA Xiao, YK,et al."Emission of M2X+ cluster ions in thermal ionization mass spectrometry in the presence of graphite".FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY 371.8(2001):1098-1103.
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