{"title":"Potentiometric study on the interaction of Ag+ ions with gelatin","authors":"Pietro Lanza, Ileana Mazzei","doi":"10.1016/S0022-0728(96)80006-4","DOIUrl":"10.1016/S0022-0728(96)80006-4","url":null,"abstract":"<div><p>From a study of the Ag<sup>+</sup>- gelatin system it can be deduced that complex formation is possible in the whole pH-range examined (1.5–10). The ligand groups of gelatin, carboxyl, α- and ϵ-amino and imidazole groups, can be active simultaneously; the predominant action of one or other group depends on the pH. In alkaline environment (pH > 8) the Ag<sup>+</sup> complex directly affects the peptide link.</p><p>From the observed pAg-values and the measurement of the number of H<sup>+</sup>ions displaced/Ag<sup>+</sup>ion complexed, it can be deduced that the interaction Ag<sup>+</sup>- gelatin leads essentially to the formation of chelate complexes.</p></div>","PeriodicalId":100778,"journal":{"name":"Journal of Electroanalytical Chemistry (1959)","volume":"12 4","pages":"Pages 320-333"},"PeriodicalIF":0.0,"publicationDate":"1966-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0022-0728(96)80006-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"55558280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"18th Meeting of the comité international de thermodyamique el de cinétique electrochmiques, Schloss Elmau, Bavaria (West Germany), April, 1967","authors":"","doi":"10.1016/S0022-0728(96)80013-1","DOIUrl":"https://doi.org/10.1016/S0022-0728(96)80013-1","url":null,"abstract":"","PeriodicalId":100778,"journal":{"name":"Journal of Electroanalytical Chemistry (1959)","volume":"12 4","pages":"Page 364"},"PeriodicalIF":0.0,"publicationDate":"1966-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0022-0728(96)80013-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137225023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Corrosion potentiometry and potentiometric titration with dropping amalgam electrode","authors":"A.R. Despić, K.I. Popov-Sindjelić","doi":"10.1016/S0022-0728(96)80009-X","DOIUrl":"10.1016/S0022-0728(96)80009-X","url":null,"abstract":"<div><p>Corrosion potential in direct corrosion of a dropping amalgam electrode in contact with a solution of more electropositive ionic species has been studied. It is shown to be a function of the concentrations of these species when a diffusion-controlled rate of corrosion is established at the surface.</p><p>Because of this, the dropping amalgam electrode can provide a versatile electrode for potentiometric titration of dilute solutions, especially when amalgams of electronegative metals such as zinc and cadmium are used, since most systems of practical interest have more positive standard electrode potentials and thus are able to initiate the corrosion process. As an example of the application of this principle “corrosimetric” titration of copper ions with EDTA has been investigated. The error is within the usual limits for this type of analysis.</p></div>","PeriodicalId":100778,"journal":{"name":"Journal of Electroanalytical Chemistry (1959)","volume":"12 4","pages":"Pages 347-353"},"PeriodicalIF":0.0,"publicationDate":"1966-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0022-0728(96)80009-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"55557820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Advances in analytical chemistry and instrumentation","authors":"J.V. Westwood","doi":"10.1016/S0022-0728(96)80012-X","DOIUrl":"10.1016/S0022-0728(96)80012-X","url":null,"abstract":"","PeriodicalId":100778,"journal":{"name":"Journal of Electroanalytical Chemistry (1959)","volume":"12 4","pages":"Pages 362-364"},"PeriodicalIF":0.0,"publicationDate":"1966-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0022-0728(96)80012-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"55557855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Frequency dependence of the double-layer differential capacity resulting from shielding","authors":"G.G. Susbielles","doi":"10.1016/0022-0728(66)80044-X","DOIUrl":"10.1016/0022-0728(66)80044-X","url":null,"abstract":"<div><p>The frequency dependence of the double-layer differential capacity, caused by shielding by the capillary, is calculated approximately. The error is negligible for the usual conditions of measurement but becomes significant above 10 kc/sec.</p></div>","PeriodicalId":100778,"journal":{"name":"Journal of Electroanalytical Chemistry (1959)","volume":"12 3","pages":"Pages 230-235"},"PeriodicalIF":0.0,"publicationDate":"1966-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-0728(66)80044-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53129799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Proceedings of the First Australian Conference on Electrochemistry","authors":"A.C. Riddiford","doi":"10.1016/0022-0728(66)80050-5","DOIUrl":"https://doi.org/10.1016/0022-0728(66)80050-5","url":null,"abstract":"","PeriodicalId":100778,"journal":{"name":"Journal of Electroanalytical Chemistry (1959)","volume":"12 3","pages":"Page 267"},"PeriodicalIF":0.0,"publicationDate":"1966-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-0728(66)80050-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90016264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Peculiarities of anodic polarography in phosphate medium","authors":"James J. Lingane","doi":"10.1016/0022-0728(66)80035-9","DOIUrl":"10.1016/0022-0728(66)80035-9","url":null,"abstract":"<div><p>The anodic polarographic wave of hydroquinone in phosphate buffer solutions of pH 6–8 shows a sharp minimum just prior to the final, unlimited increase in current resulting from the oxidation of mercury to Hg<sub>2</sub>HPO<sub>4</sub>. Phosphate buffer solutions alone, show a small anodic wave at exactly the same potential as the minimum in the hydroquinone wave. A study of the characteristics of this anodic wave demonstrate that it is caused by the oxidation of mercury to produce a monomolecular film of (Hg<sub>2</sub>)<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>. This film is so cohesive that it insulates the surface of the dropping mercury electrode and thus very effectively inhibits the oxidation of other aubstances.</p></div>","PeriodicalId":100778,"journal":{"name":"Journal of Electroanalytical Chemistry (1959)","volume":"12 3","pages":"Pages 173-182"},"PeriodicalIF":0.0,"publicationDate":"1966-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-0728(66)80035-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53129067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}