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|Title:||Studies of rubidium aluminosilicates as thermionic emitters of Rb+ ions||Authors:||Tan, T.L.
|Keywords:||Alkali ion sources
|Issue Date:||30-Jun-1994||Citation:||Tan, T.L.,Ong, P.P.,Fong, T.M.,Soo, K.A. (1994-06-30). Studies of rubidium aluminosilicates as thermionic emitters of Rb+ ions. International Journal of Mass Spectrometry and Ion Processes 134 (2-3) : 221-228. ScholarBank@NUS Repository.||Abstract:||Filament sources of Rb+ ions were created using 90% Pt-10% Rh gauze coated with synthetic rubidium aluminosilicate compounds of various compositions. The performance characteristics of these compounds as thermionic emission sources of Rb+ ions based on total emission current and purity of ion emission as functions of time were studied and compared. In addition, these characteristics were investigated of β-eucryptite (Rb2O·Al2O3·2SiO2) and spodumene (Rb2O·Al2O3·4SiO2) samples at four different filament surface temperatures. It was concluded that the β-eucryptite composition of rubidium aluminosilicate gives the most satisfactory results as a Rb+ ion emitter at a temperature of 1100°C. © 1994.||Source Title:||International Journal of Mass Spectrometry and Ion Processes||URI:||http://scholarbank.nus.edu.sg/handle/10635/98072||ISSN:||01681176|
|Appears in Collections:||Staff Publications|
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