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Reactions between perchlorate salts and tetrahydrofuran 高氯酸盐与四氢呋喃之间的反应
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 Epub Date: 2003-05-20 DOI: 10.1016/0022-1902(81)80431-9
Y. Eckstein, P. Dreyfuss
{"title":"Reactions between perchlorate salts and tetrahydrofuran","authors":"Y. Eckstein,&nbsp;P. Dreyfuss","doi":"10.1016/0022-1902(81)80431-9","DOIUrl":"10.1016/0022-1902(81)80431-9","url":null,"abstract":"<div><p>Reactions between tetrahydrofuran (THF) and 22 different perchlorate salts, most often in the presence of organic halides were studied. The use of the organic halides including acetyl, benzoyl and substituted allyl chlorides aided in arranging the perchlorates according to their ability to give good yields of tertiary oxonium ion and polymer from THF. The approximate order, based on the yield of poly(tetrahydrofuran) obtained after 24 hr was Ag<sup>+</sup>, Hg<sup>2+</sup> &gt; Pb<sup>2+</sup>, Tl<sup>3+</sup> &gt; Fe<sup>3+</sup>, Al<sup>3+</sup>, Na<sup>+</sup>, Fe<sup>2+</sup> &gt; Cr<sup>3+</sup>, Mn<sup>2+</sup>, Ni<sup>2+</sup>, Cu<sup>2+</sup>, Co<sup>2+</sup>, Cd<sup>2+</sup> ⪢ Ce<sup>3+</sup>, Mg<sup>2+</sup>, Ca<sup>2+</sup>, Ba<sup>2+</sup>, Zn<sup>2+</sup>, Li<sup>+</sup>, K<sup>+</sup>, NH<sub>4</sub><sup>+</sup> = 0. Only Ag<sup>+</sup> and Hg<sup>2+</sup> perchlorates gave polymer when allylhalides were used. With one other perchlorates the order of reactivity of the halide was acetyl &gt; benzoyl ⪢ allyl = 0.</p></div>","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"43 1","pages":"Pages 23-27"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-1902(81)80431-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72920946","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}
引用次数: 3
Radiopolarography of mendelevium in aqueous solutions 水溶液中钔的放射极谱学
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 Epub Date: 2003-05-20 DOI: 10.1016/0022-1902(81)80647-1
F. David, K. Samhoun, E.K. Hulet, P.A. Baisden, R. Dougan, J.H. Landrum, R.W. Lougheed, J.F. Wild, G.D. O'Kelley
{"title":"Radiopolarography of mendelevium in aqueous solutions","authors":"F. David,&nbsp;K. Samhoun,&nbsp;E.K. Hulet,&nbsp;P.A. Baisden,&nbsp;R. Dougan,&nbsp;J.H. Landrum,&nbsp;R.W. Lougheed,&nbsp;J.F. Wild,&nbsp;G.D. O'Kelley","doi":"10.1016/0022-1902(81)80647-1","DOIUrl":"10.1016/0022-1902(81)80647-1","url":null,"abstract":"<div><p>The possible existence of a monovalent ion of mendelevium has been examined further by radiopolarography. Experiments were conducted in several aqueous media with <sup>241</sup>Am, <sup>249</sup>Cf, <sup>254</sup>Es, <sup>255,256</sup>Fm and <sup>256</sup>Md tracers. Half-wave amalgamation potentials of Md in tetramethylammonium perchlorate and in LiCl were identical within the experimental errors at −1.755 ± 0.005 V vs the saturated calomel electrode, in good agreement with an earlier study by radiocoulometry in an ammonium acetate medium. No shift in the half-wave potential of Md was observed due to NH<sub>4</sub><sup>+</sup> or Cl<sup>−</sup> ions; hence, these ions do not act as complexing agents for Md ions present during electrochemical reductions. The shift in the half-wave potential observed in the presence of citrate as a complexing agent was characteristic of the reduction process Md<sup>2+</sup> → Md<sup>0</sup>(Hg). In noncomplexing media, the slope of the logarithmically transformed wave of Md was ∼ 30 mV, consistent only with a reversible, two-electron reduction process. All of our results provide evidence for electrochemical reduction of the Md<sup>2+</sup> ion only and disprove the existence of an the intermediate Md<sup>+</sup> ion in aqueous solution with properties like those of Cs<sup>+</sup>, Ag<sup>+</sup> or Cu<sup>+</sup>.</p></div>","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"43 11","pages":"Pages 2941-2945"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-1902(81)80647-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84685094","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}
引用次数: 13
Structural studies on the actinide carboxylates (VII) The crystal and molecular structure of potassium maleate hydrogenmaleate dioxouranate (VI); [UO2(C4H2O4)K(C4H3O4)] 锕系羧酸盐的结构研究(VII)马来酸钾、马来酸氢二氧脲酸(VI)的晶体和分子结构[UO2 (C4H2O4) K (C4H3O4)]
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 Epub Date: 2003-05-20 DOI: 10.1016/0022-1902(81)80089-9
G. Bombieri , F. Benetollo, R.M. Rojas, M.L. De Paz
{"title":"Structural studies on the actinide carboxylates (VII) The crystal and molecular structure of potassium maleate hydrogenmaleate dioxouranate (VI); [UO2(C4H2O4)K(C4H3O4)]","authors":"G. Bombieri ,&nbsp;F. Benetollo,&nbsp;R.M. Rojas,&nbsp;M.L. De Paz","doi":"10.1016/0022-1902(81)80089-9","DOIUrl":"10.1016/0022-1902(81)80089-9","url":null,"abstract":"<div><p>The title compound crystallizes in the triclinic system, space group <span><math><mtext>P</mtext><mtext>1</mtext></math></span> with a = 11.512(3), b = 9.387(3), c = 6.757(2) Å, α = 105.6(4), β = 96.8(4) and γ = 107.0(4)° and Z = 2. The structure is built up from two distinct coordination polyhedra, one is formed by the uranium which is at a centre of a pentagonal bipyramid, the other by the potassium cations heptacoordinate to oxygen atoms either belonging to the maleic ligands or to the uranyl group. The uranium polyhedra are connected through bridging maleato groups. The maleato-U-maleato chains in the direction of the <em>c</em> axis are held together through the potassium coordination polyhedra.</p></div>","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"43 12","pages":"Pages 3203-3207"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-1902(81)80089-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75585891","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}
引用次数: 7
Electrochemical studies of trivalent californium and selected trivalent lanthanides in aqueous solution 水溶液中三价钙和选定的三价镧系元素的电化学研究
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 Epub Date: 2003-05-20 DOI: 10.1016/0022-1902(81)80646-X
C. Musikas , R.G. Haire, J.R. Peterson
{"title":"Electrochemical studies of trivalent californium and selected trivalent lanthanides in aqueous solution","authors":"C. Musikas ,&nbsp;R.G. Haire,&nbsp;J.R. Peterson","doi":"10.1016/0022-1902(81)80646-X","DOIUrl":"10.1016/0022-1902(81)80646-X","url":null,"abstract":"<div><p>D.c. polarographic and cyclic voltammetric studies have been carried out on aqueous solutions (10<sup>−4</sup>−10<sup>−3</sup> M) of <sup>249</sup>Cf, Sm and Gd. From the present data and the established electrochemical behavior of Sm and Gd, it can be inferred that Cf(III) is reduced in two steps at the mercury-drop electrode, first to Cf(II), followed by the Cf(II) being reduced to Cf(Hg). The potentials for the two electrochemical steps are −1.47 and −1.68V vs NHE, respectively.</p></div>","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"43 11","pages":"Pages 2935-2940"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-1902(81)80646-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89844234","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}
引用次数: 9
Differential scanning calorimetric and Raman spectroscopic study of polymorphism in Na2SO4 Na2SO4中多态的差示扫描量热和拉曼光谱研究
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 Epub Date: 2003-05-20 DOI: 10.1016/0022-1902(81)90031-2
C.A. Cody, L. Dicarlo, R.K. Darlington
{"title":"Differential scanning calorimetric and Raman spectroscopic study of polymorphism in Na2SO4","authors":"C.A. Cody,&nbsp;L. Dicarlo,&nbsp;R.K. Darlington","doi":"10.1016/0022-1902(81)90031-2","DOIUrl":"10.1016/0022-1902(81)90031-2","url":null,"abstract":"","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"43 2","pages":"Pages 398-400"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-1902(81)90031-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83659847","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}
引用次数: 18
Spectroscopic, electrochemical and photochemical properties of brown ring compounds 棕环化合物的光谱、电化学和光化学性质
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 DOI: 10.1016/0022-1902(81)80024-3
K. Ogura, Masahiro Watanabe
{"title":"Spectroscopic, electrochemical and photochemical properties of brown ring compounds","authors":"K. Ogura, Masahiro Watanabe","doi":"10.1016/0022-1902(81)80024-3","DOIUrl":"https://doi.org/10.1016/0022-1902(81)80024-3","url":null,"abstract":"","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"70 1","pages":"1239-1241"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75318866","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}
引用次数: 3
Spectroscopic studies of Nd(III) Schiff-base complexes Nd(III)席夫碱配合物的光谱研究
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 DOI: 10.1016/0022-1902(81)80496-4
G. K. Joshi, M. Bhutra, S. Misra
{"title":"Spectroscopic studies of Nd(III) Schiff-base complexes","authors":"G. K. Joshi, M. Bhutra, S. Misra","doi":"10.1016/0022-1902(81)80496-4","DOIUrl":"https://doi.org/10.1016/0022-1902(81)80496-4","url":null,"abstract":"","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"24 1","pages":"525-531"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75596605","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}
引用次数: 9
Study of 2-(o-carboxyphenyliminomethyl)pyridine acid and its ferrous complexes 2-(邻羧基苯基氨基甲基)吡啶酸及其含铁配合物的研究
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 DOI: 10.1016/0022-1902(81)80203-5
F. Capitán, L. Capitán-Vallvey, J. Vílchez
{"title":"Study of 2-(o-carboxyphenyliminomethyl)pyridine acid and its ferrous complexes","authors":"F. Capitán, L. Capitán-Vallvey, J. Vílchez","doi":"10.1016/0022-1902(81)80203-5","DOIUrl":"https://doi.org/10.1016/0022-1902(81)80203-5","url":null,"abstract":"","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"118 1","pages":"683-688"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77440181","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}
引用次数: 2
Precipitation of metal-humate complexes 金属-腐植酸络合物的沉淀
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 DOI: 10.1016/0022-1902(81)80020-6
G. K. Pagenkopf, C. Whitworth
{"title":"Precipitation of metal-humate complexes","authors":"G. K. Pagenkopf, C. Whitworth","doi":"10.1016/0022-1902(81)80020-6","DOIUrl":"https://doi.org/10.1016/0022-1902(81)80020-6","url":null,"abstract":"","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"17 1","pages":"1219-1222"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85895233","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}
引用次数: 10
Linear free energy relationships for Fe(III) complexes with aroylacetanilides 铁(III)与芳基乙酰苯胺配合物的线性自由能关系
Journal of Inorganic and Nuclear Chemistry Pub Date : 1981-01-01 DOI: 10.1016/0022-1902(81)90016-6
A. S. Shawali, M. Naoum, Nahed F. Abdelfattah
{"title":"Linear free energy relationships for Fe(III) complexes with aroylacetanilides","authors":"A. S. Shawali, M. Naoum, Nahed F. Abdelfattah","doi":"10.1016/0022-1902(81)90016-6","DOIUrl":"https://doi.org/10.1016/0022-1902(81)90016-6","url":null,"abstract":"","PeriodicalId":16275,"journal":{"name":"Journal of Inorganic and Nuclear Chemistry","volume":"14 1","pages":"315-322"},"PeriodicalIF":0.0,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79596826","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}
引用次数: 1
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