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  • 1965-1969  (41)
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Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Inorganic chemistry 7 (1968), S. 976-982 
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 96 (1965), S. 1056-1064 
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract The half wave potentials of chlorides of lanthanoides have been measured in dimethylsulfoxide and in dimethylformamide vs. an aqueous saturated calomel electrode. La, Ce, Pr, Nd, Gd, Tb, Dy, Ho and Er give one, Sm, Eu and Yb two waves all with limiting currents due to diffusion without maxima. The differences in half wave potentials of “cerite earths” and “ytter earths” in dimethylformamide allow their polarographic separation. The influence of traces of water is neglegibly small.
    Notes: Zusammenfassung Es werden die Halbwellenpotentiale der Chloride der Lanthanoide in Dimethylsulfoxid und Dimethylformamid gegen die gesättigte, wäßrige Kalomelelektrode angegeben. La, Ce, Pr, Nd, Gd, Tb, Dy, Ho und Er geben eine, Sm, Eu und Yb zwei Wellen, alle mit diffusionsbedingten Grenzströmen ohne Maxima. Die unterschiedlichen Reduktionsbereiche der “Cerit-” und “Ytter-erden” in Dimethylformamid gestatten ihre polarographische Trennung. Der Einfluß von Wasserspuren ist gering.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Microchimica acta 55 (1967), S. 422-425 
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary The polarographic behavior is described of iron oxinate, aluminium oxinate, AlCl3, Al(ClO4)3·x DMF and oxine, along with the nature of the limiting current, the position of the half wave potentials (referred to the saturated aqueous calomel electrode) and the influence of water. It is further shown that the oxinates of iron and aluminium in dimethylformamide (DMF) can be determined rapidly and quantitatively in the presence of each other.
    Abstract: Résumé On décrit le comportement polarographique de l'oxinate de fer et de celui d'aluminium, de AlCl3, Al(ClO4)3·x DMF et de l'oxine dans le diméthylformamide, la nature des courants limites, la position des potentiels de demi-vague (par rapport à l'électrode au calomel saturée) et l'influence de l'eau. On montre de plus que l'oxinate de fer et d'aluminium dans le diméthylformamide (DMF) peuvent être décelés en présence l'un de l'autre, rapidement et quantitativement.
    Notes: Zusammenfassung Das polarographische Verhalten von Aluminiumoxinat in DMSO, von Eisen(III)-oxinat, Aluminiumoxinat, AlCl3, Al(ClO4)3 ·x DMF und Oxin in DMF, die Natur der Grenzströme, die Lage der Halbwellen-potentiale (bezogen auf die gesättigte wäßrige Kalomelelektrode) und der Einfluß von Wasser werden beschrieben. Weiterhin wird gezeigt, daß die Oxinate von Eisen und Aluminium in DMF nebeneinander rasch und quantitativ erfaßbar sind.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Microchimica acta 55 (1967), S. 426-430 
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary The polarographic individual and simultaneous determination in dimethylformamide is described for the oxinates of iron, aluminium, and titanium precipitated from aqueous solution. This procedure is particularly suited to microanalytical determinations.
    Abstract: Résumé On décrit le dosage polarographique simultané et individuel d'oxinates, séparés en solution aqueuse, de fer, aluminium et titane, dans le diméthylformamide. Ce procédé se montre particulièrement bien adapté aux dosages microanalytiques.
    Notes: Zusammenfassung Die polarographische Einzel- und Simultanbestimmung von aus wäßriger Lösung abgeschiedenen Oxinaten von Eisen, Aluminium und Titan in Dimethylformamid wird beschrieben. Dieses Verfahren ist besonders für mikroanalytische Bestimmungen geeignet.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 216 (1966), S. 416-418 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 224 (1966), S. 245-251 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Wasserfreie und kristallwasserhaltige Thoriumverbindungen geben sowohl in Dimethylformamid als auch in Dimethylsulfoxid analytisch verwertbare Wellen. Die Lage der Halbwellenpotentiale (bezogen auf die gesättigte wäßrige Kalomelelektrode), die Natur der Grenzströme, die Art der Abscheidungen und der Einfluß von Wasser werden beschrieben.
    Notes: Summary Anhydrous and hydrated thorium compounds give in both dimethylformamide and dimethylsulfoxide polarographic waves, which can be used for analytical determinations of ThIV. Details are given for the half-wave potentials (vs. aqueous saturated calomel electrode), the nature of the limiting currents and the influence of water.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 227 (1967), S. 294-294 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 226 (1967), S. 436-436 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 228 (1967), S. 130-130 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 228 (1967), S. 142-142 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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