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    Determination of trace amounts of vanadium: A ternary extraction and photometric method using N-salicylhydroxamic acid and thiocyanate

    A new extractive photometric method has been developed for a binary complex of vanadium(V) with salicylhydroxamic acid, a bluish-violet complex at pH 3.0 and a violet ternary complex system with ammonium thioc...

    A. B. Chatterjee, S. P. Bag, A. K. Chakrabarti, P. R. Chakraborty in Microchimica Acta (1983)

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    Article

    Spectrophotometric determination of vanadium with disodium maleonitrile dithiolate

    Vanadium(IV) forms a deep green complex with disodium maleonitrile dithiolate, in 0.05N sulphuric acid in 50 % acetonitrile solution, having maximum absorption at 580 nm. The colour system obeys Beer's law from 0...

    A. B. Chatterjee, Amarjyoti Basu, S. P. Bag in Microchimica Acta (1974)

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    Article

    Spectrophotometric determination of iron with chelidamic acid

    Chelidamic acid forms with iron a complex at pH 5.8 to 8.5 having the maximum absorption at 460 nm. The metal to reagent ratio is 1∶3 and the instability constant is about 8.21 · 10−15. The complex obeys Beer's l...

    A. K. Majumdar, S. P. Bag in Fresenius' Zeitschrift für analytische Chemie (1962)

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    Article

    Spectrophotometric determination of iron with β-aminopicolinic acid

    β-Amino-picolinsäure bildet mit FeIII-Ionen einen Komplex, der bei 420 nm dem Beerschen Gesetz gehorcht, ein Verhältnis Metall: Reagens =1∶2 aufweist und eine Instabilitätskonstante von 3,764 · 10−8 besitzt. Mit...

    A. K. Majumdar, S. P. Bag in Fresenius' Zeitschrift für analytische Chemie (1962)

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    Gravimetric determination of palladium with quinolinimide as a reagent

    Quinolinimide which is found to be a selective reagent for palladium forms a complex of the composition Pd(C7H3O2N2)2. The reagent quantitatively precipitates palladium from solutions of pH 0.5 to 2.5 in presence...

    A. K. Majumdar, S. P. Bag in Fresenius' Zeitschrift für analytische Chemie (1962)

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    Article

    Quinolinic acid as a reagent for the gravimetric and volumetric estimation of palladium

    Like Β-amino-picolinic acid, quinolinic acid behaves as a highly selective reagent for palladium with which it forms a complex of composition Pd(C7H4O4N)2. The complex being very stable is precipitated from solut...

    A. K. Majumdar, S. P. Bag in Fresenius' Zeitschrift für analytische Chemie (1959)

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    Article

    β-Aminopicolinic acid as a reagent for the gravimetric and volumetric estimation of palladium

    β-Aminopicolinic acid has been used successfully as a very selective reagent for the precipitation of palladium as Pd(C6H5O2N2)2 from solutions 1.0 normal with respect to hydrochloric acid as well from solutions...

    A. K. Majumdar, S. P. Bag in Fresenius' Zeitschrift für analytische Chemie (1958)