Разширено търсене
Автор да съдържа Petya Racheva
38448
Каталог "Книги" | Книга
Multiple choice questions in general and inorganic chemistry
With answers
(2024)
Kiril Gavazov; Nikolina Milcheva; Petya Racheva
Каталог "Библиографии" | Списание
Vanadium (IV and V) speciation with a catechol derivative and tetrazolium salt
Petya Racheva; Kiril Gavazov; Vanya Lekova;
Atanas Dimitrov
и др.
Каталог "Библиографии" | Списание
Spectrophotometric determination of gallium(III) with 4-(2-pyridylazo)-resorcinol and nitron
Petya Racheva; K. T. Stojnova; Vania D. Lekova;
Atanas N. Dimitrov
и др.
Каталог "Библиографии" | Списание
Ternary complexes of niobium(V) with nitroderivatives of catechol and tetrazolium salts. Extraction-spectrophotometric investigations
Каталог "Библиографии" | Списание
An environmentally friendly cloud point extraction–spectrophotometric determination of trace vanadium using a novel reagent
Nikolina P. Milcheva; Fatma Genc; Petya V. Racheva;
Vassil B. Delchev;
Vasil Andruch;
Kiril B. Gavazov
и др.
Каталог "Библиографии" | Списание
Extraction-chromogenic system for cobalt based on 5-methyl-4-(2-thiazolylazo) resorcinol and benzalkonium chloride
Danail G. Georgiev Hristov; Petya Vassileva Racheva; Galya Konstantinova Toncheva;
Kiril Blazhev Gavazov
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.
38448
Каталог "Библиографии" | Книга
Multiple choice questions in general and inorganic chemistry
With answers
Kiril Gavazov; Nikolina Milcheva; Petya Racheva
Каталог "Библиографии" | Списание
Extractive Spectrophotometric Determination and Theoretical Investigations of Two New Vanadium(V) Complexes
Kiril B. Gavazov; Petya V. Racheva; Antoaneta D. Saravanska;
Galya K. Toncheva;
Vassil B. Delchev
и др.