NDLI: Spectrophotometrische Untersuchungen von 4-(2-Hydroxy-4-subst.-azobenzol)-2-methylchinolinen als Reagentien zur Silberbestimmung

Content Provider	Springer Nature Link
Author	El Mossalamy, E. H. Amin, A. S.
Copyright Year	1997
Abstract	The spectroscopic behaviour of some quinoline azo dyes has been studied. A simple, rapid, accurate, and sensitive method for the spectrophotometric microdetermination of Ag(I) ions using the title compounds is given. The conditions for the formation of the coloured complexes are obeyed up to 26 µg·ml−1; the optimum concentration range for application of theRingbom method is 2.5–23 µg·ml−1. The molar absorptivity and theSandell sensitivity have also been calculated. The method proved to be successful in determining Ag+ in photography fixing solutions. The results agreed satisfactorily with those obtained using standard atomic absorption spectroscopy.Das spektroskopische Verhalten einiger Chinolin-Azofarbstoffe wurde untersucht. Eine einfache, rasche, genaue und empfindliche Methode zur spektrophotometrischen Mikrobestimmung von Silbert(I)-Ionen mittels der Titelverbindungen wird vorgestellt. Die Bedingungen zur Bildung der gefärbten Komplexe werden bis zu einer Maximalkonzentration von 26 µg·ml−1 erfüllt; der optimale Konzentrationsbereich zur Anwendung derRingbom-Methode liegt zwischen 2.5 und 23 µg·ml−1. Die molare Absorption und die Empfindlichkeit nachSandell wurden ebenfalls berechnet. Die Methode wurde erfolgreich zur Bestimmung von Ag+ in photographischen Fixierlösungen eingesetzt. Die Ergebnisse stimmen in zufriedenstellender Weise mit durch Atomabsorptionsspektroskopie erhaltenen überein.
Starting Page	23
Ending Page	28
Page Count	6
File Format	PDF
ISSN	00269247
Journal	Monatshefte für Chemie - Chemical Monthly
Volume Number	128
Issue Number	1
e-ISSN	14344475
Language	German
Publisher	Springer-Verlag
Publisher Date	1997-01-01
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	4-(2-Hydroxy-4-substituted-azobenzene)-2-methyl-quinoline IR 1HNMR Electronic spectra Spectrophotomentric determination of Ag+ ions Chemistry/Food Science Analytical Chemistry Inorganic Chemistry Organic Chemistry Physical Chemistry Theoretical and Computational Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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