{"title":"Surface conductance measurements of adsorbed gases","authors":"C. Bargeron, T. E. Phillips, R. Benson","doi":"10.1109/ECTC.1994.367589","DOIUrl":null,"url":null,"abstract":"The surface conductance of adsorbed water, carbon dioxide, and ammonia has been measured as a function of temperature using a triple-track test substrate. The individual pure gases were studied along with their mixtures. Adsorbed carbon dioxide or ammonia was found to have a negligible surface conductance, while adsorbed water exhibited an increase in conductance beginning at -25/spl deg/C. Mixtures of carbon dioxide and water exhibited essentially the same conductance as water by itself, while mixtures of ammonia and water exhibited a conductance 10/sup 4/ times larger than water between -40/spl deg/C and 0/spl deg/C. Mixtures of all three gases resulted in a relatively low conductance at lower temperatures (-100/spl deg/C to -50/spl deg/C). Corresponding pressure measurements indicated that vaporization was greatly suppressed in some cases, suggesting strong interaction between the adsorbed species.<<ETX>>","PeriodicalId":344532,"journal":{"name":"1994 Proceedings. 44th Electronic Components and Technology Conference","volume":"107 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1994 Proceedings. 44th Electronic Components and Technology Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ECTC.1994.367589","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The surface conductance of adsorbed water, carbon dioxide, and ammonia has been measured as a function of temperature using a triple-track test substrate. The individual pure gases were studied along with their mixtures. Adsorbed carbon dioxide or ammonia was found to have a negligible surface conductance, while adsorbed water exhibited an increase in conductance beginning at -25/spl deg/C. Mixtures of carbon dioxide and water exhibited essentially the same conductance as water by itself, while mixtures of ammonia and water exhibited a conductance 10/sup 4/ times larger than water between -40/spl deg/C and 0/spl deg/C. Mixtures of all three gases resulted in a relatively low conductance at lower temperatures (-100/spl deg/C to -50/spl deg/C). Corresponding pressure measurements indicated that vaporization was greatly suppressed in some cases, suggesting strong interaction between the adsorbed species.<>
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