Разширено търсене
Автор да съдържа P. V. Racheva
Каталог "Библиографии" | Списание
Extraction study on the colour reaction for vanadium(IV) with the 4-nitrocathechol (NC)-thyazolyl blue tetrazolium (MTT)-water-chloroform system
P. Racheva; K. Gavazov; V. Lekova;
A. Dimitrov
и др.
Каталог "Библиографии" | Списание
Extraction of gallium(III) with a new azo dye in the presence or absence of xylometazoline hydrochloride
P. V. Racheva; N. P. Milcheva; A. D. Saravanska;
K. B. Gavazov
и др.
Каталог "Библиографии" | Списание
A centrifuge-less cloud point extraction-spectrophotometric determination of copper(II) using 6-hexyl-4-(2-thiazolylazo)resorcinol
P. V. Racheva; N. P. Milcheva; F. Genc;
K. B. Gavazov
и др.
Каталог "Библиографии" | Списание
Study on the equilibria of the complex formation of the Ion-pair of germanium(IV) with 4-nitrocatechol and 1,4-diphenyl-3-(phenylamino)-1H-1,2,4-triazole
P. Racheva; K. Stojnova; V. Divarova;
V. Lekova
и др.
Каталог "Библиографии" | Списание
Extraction-Spectrophotometric and Theoretical Studies on a Ternary Complex Obtained from Vanadium(V) and 4-Nitrocatechol
A. D. Saravanska; P. V. Racheva; V. V. Divarova;
G. K. Toncheva;
N. P. Milcheva;
V. B. Delchev;
K. B. Gavazov
и др.
Каталог "Библиографии" | Списание
Extraction-Chromogenic Systems for Gallium(III) Based on Azo Dyes and Xylometazoline Hydrochloride
P. V. Racheva; D. G. Hristov; K. B. Gavazov
Каталог "Библиографии" | Списание
Extraction-Spectrophotometric Method for Determination of Gallium(III) in the Form of Ion Associate with a Monotetrazolium Salt
K. T. Stojnova; V. V. Divarov; P. Racheva;
V. Lekova
и др.
Каталог "Библиографии" | Списание
Ternary complexes of niobium(V) with nitroderivatives of catechol and tetrazolium salts. Extraction-spectro-photometric investigations
Каталог "Библиографии" | Списание
Some ternary phenylmethoxybis(tetrazolium) complexes of vanadium(IV,V) and their constants of association
Каталог "Библиографии" | Списание
Ternary ion-Association complexes of cobalt with 4-(2-pyridylazo)resorcinol and tetrazolium salts
Каталог "Библиографии" | Списание
Study on the complex formation of anionic chelates of Co(II)-4-(2-thiazolylazo)resorcinol with ditetrazolium cations
V. Divarova; Kirila Stojnova; P. Racheva;
V. Lekova
и др.
Каталог "Библиографии" | Списание
Complex formation in a liquid-liquid extraction system containing Co(II), 4-(2-thiazolylazo)resorcinol and monotetrazolium salt
V. Divarova; K. T. Stojnova; P. Racheva;
V. Lekova
и др.
Каталог "Библиографии" | Списание
Study on the complex equilibria of molybdenum(VI) with 3,5-dinitrocatechol and ditetrazolium salt
Каталог "Библиографии" | Списание
Spectrophotometric Study of the Complex Formation of Anionic Chelates of Cobalt(II) with Monotetrazolium Cations
V. Divarova; K. T. Stojnova; P. Racheva;
V. Lekova
и др.
Каталог "Библиографии" | Списание
Use of a Hydrophobic Azo Dye for the Centrifuge-Less Cloud Point Extraction–Spectrophotometric Determination of Cobalt
Kiril Blazhev Gavazov; Petya V. Racheva; Nikolina P. Milcheva;
Vidka V. Divarova;
Denitsa Dimitrova Kiradzhiyska;
Fatma Genc;
Antoaneta D. Saravanska
и др.
Каталог "Библиографии" | Списание
Determination of Cobalt in the Form of an Ion Associate in Vitamin B12
V. Divarova; P. Racheva; et al.