Extraction-Spectrophotometric and Theoretical Studies on a Ternary Complex Obtained from Vanadium(V) and 4-Nitrocatechol by Saravanska, A. D., Racheva, P. V., Divarova, V. V., Toncheva, G. K., Milcheva, N. P., Delchev, V. B., Gavazov, K. B.

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Mono- and Binuclear Complexes in a Centrifuge-Less Cloud-Point Extraction System for the Spectrophotometric Determination of Zinc(II) by Gavazov, Kiril B, Racheva, Petya V, Saravanska, Antoaneta D, Genc, Fatma, Delchev, Vassil B

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Extractive Spectrophotometric Determination and Theoretical Investigations of Two New Vanadium(V) Complexes by Gavazov, Kiril B., Racheva, Petya V., Saravanska, Antoaneta D., Toncheva, Galya K., Delchev, Vasil B.

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Use of a Hydrophobic Azo Dye for the Centrifuge-Less Cloud Point Extraction-Spectrophotometric Determination of Cobalt by Gavazov, Kiril Blazhev, Racheva, Petya V, Milcheva, Nikolina P, Divarova, Vidka V, Kiradzhiyska, Denitsa Dimitrova, Genç, Fatma, Saravanska, Antoaneta D

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Extraction of Gallium(III) with a New Azo Dye in The Presence or Absence of Xylometazoline Hydrochloride by Racheva, Petya V, Milcheva, Nikolina P, Saravanska, Antoaneta D, Gavazov, Kiril B

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