Showing papers by "Mariana Mitewa published in 1987"

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Journal Article•DOI•

Liquid—liquid extraction of metal ions by the 6-membered N-containing macrocycle hexacyclen

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Sonja Arpadjan¹, Mariana Mitewa¹, Panayot R. Bontchev¹•Institutions (1)

01 Nov 1987-Talanta

TL;DR: The nitrogen-containing analogue of 18-crown-6, 1,4,7,10,13,16-hexa-azaoctadecane (hexacyclen)] was studied as a reagent for complexation and extraction of some metal ions.

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16 citations

Journal Article•DOI•

Co(II) complex with N6-macrocyclic ligand hexacyclen

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Mariana Mitewa, Panayot R. Bontchev, D. Vassileva, Ekaterina Zhecheva, D. Mechandjiev, K. Kabassanov - Show less +2 more

01 Nov 1987-Inorganica Chimica Acta

10 citations

Journal Article•DOI•

Stability Constants of Cu(II) Complexes with Acid Hydrazides

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A. Zvetanova, Mariana Mitewa¹, M. Boneva•Institutions (1)

Sofia University¹

01 Jan 1987-Journal Fur Praktische Chemie-chemiker-zeitung