{"title":"丙二酸镍在水-尿素介质中缔合动力学的电导检测浓度跳变研究","authors":"J. Brauner, D. Saar, P. Hemmes ∗","doi":"10.1016/0378-4487(81)80017-9","DOIUrl":null,"url":null,"abstract":"<div><p>A stopped flow study of the kinetics of association of nickel malonate in water-urea has been made. A commercial stopped flow-T-jump instrument was modified for this purpose. Up until 3M urea the rate constants for association depend only upon the solvent dielectric constants. Above 3M, urea enters the first coordinative sphere of nickel (II) and alters the rate. The effect of water activity changes is found to be negligible compared to the changes produced by the variation in dielectric constant.</p></div>","PeriodicalId":100049,"journal":{"name":"Advances in Molecular Relaxation and Interaction Processes","volume":"20 4","pages":"Pages 249-262"},"PeriodicalIF":0.0000,"publicationDate":"1981-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4487(81)80017-9","citationCount":"0","resultStr":"{\"title\":\"A conductometric detection concentration jump study of the kinetics of association of nickel malonate in water-urea media\",\"authors\":\"J. Brauner, D. Saar, P. Hemmes ∗\",\"doi\":\"10.1016/0378-4487(81)80017-9\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A stopped flow study of the kinetics of association of nickel malonate in water-urea has been made. A commercial stopped flow-T-jump instrument was modified for this purpose. Up until 3M urea the rate constants for association depend only upon the solvent dielectric constants. Above 3M, urea enters the first coordinative sphere of nickel (II) and alters the rate. The effect of water activity changes is found to be negligible compared to the changes produced by the variation in dielectric constant.</p></div>\",\"PeriodicalId\":100049,\"journal\":{\"name\":\"Advances in Molecular Relaxation and Interaction Processes\",\"volume\":\"20 4\",\"pages\":\"Pages 249-262\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1981-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0378-4487(81)80017-9\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in Molecular Relaxation and Interaction Processes\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0378448781800179\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Molecular Relaxation and Interaction Processes","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0378448781800179","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A conductometric detection concentration jump study of the kinetics of association of nickel malonate in water-urea media
A stopped flow study of the kinetics of association of nickel malonate in water-urea has been made. A commercial stopped flow-T-jump instrument was modified for this purpose. Up until 3M urea the rate constants for association depend only upon the solvent dielectric constants. Above 3M, urea enters the first coordinative sphere of nickel (II) and alters the rate. The effect of water activity changes is found to be negligible compared to the changes produced by the variation in dielectric constant.
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