Publications by authors named "Petya Racheva"

Claim this Profile
I
Ionic Liquid-Based Centrifuge-Less Cloud Point Extraction of a Copper(II)-4-Nitrocatechol Complex and Its Analytical Application.
Denitsa Kiradzhiyska, Nikolina Milcheva, Miglena Ruzmanova, Fatma Genç, Petya Racheva

Molecules· August 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Centrifuge-Less Mixed Micelle-Mediated Cloud Point Extraction-Spectrophotometric Determination of Vanadium Using 4-Nitrocatechol and Cetylpyridinium Chloride.
Andrea Gajdošová, Petya Racheva, Denitsa Kiradzhiyska, Vidka Divarova, Antoaneta Saravanska

Int J Mol Sci· June 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
An Ionic Liquid-Assisted Mixed Micelle-Mediated Centrifuge-Less Cloud Point Extraction Spectrophotometric Method for the Determination of Molybdenum(VI).
Vidka Divarova, Andrea Gajdošová, Petya Racheva, Kiril Gavazov

Int J Mol Sci· May 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A Semi-Micro Extraction Spectrophotometric Determination of Iron Using 4-Nitrocatechol and Xylometazoline Hydrochloride.
Petya V Racheva, Antoaneta D Saravanska, Galya K Toncheva, Denitsa D Kiradzhiyska, Nikolina P Milcheva

Molecules· February 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
M
Mono- and Binuclear Complexes in a Centrifuge-Less Cloud-Point Extraction System for the Spectrophotometric Determination of Zinc(II).
Kiril B Gavazov, Petya V Racheva, Antoaneta D Saravanska, Fatma Genc, Vassil B Delchev

Molecules· September 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Extractive Spectrophotometric Determination and Theoretical Investigations of Two New Vanadium(V) Complexes.
Kiril B Gavazov, Petya V Racheva, Antoaneta D Saravanska, Galya K Toncheva, Vasil B Delchev

Molecules· September 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Clinical course of autoimmune thyroid diseases in women with prolactinomas: Results from a prospective study in a single tertiary centre.
Atanaska Elenkova, Petya Racheva, Georgi Kirilov, Sabina Zacharieva

Endocrinol Diabetes Nutr (Engl Ed)· June 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
U
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

Molecules· July 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A centrifuge-less cloud point extraction-spectrophotometric determination of copper(II) using 6-hexyl-4-(2-thiazolylazo)resorcinol.
Petya V Racheva, Nikolina P Milcheva, Fatma Genc, Kiril B Gavazov

Spectrochim Acta A Mol Biomol Spectrosc· December 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
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

Acta Chim Slov· March 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
S
Study on the Complex Formation and the Ion-Association of Anionic Chelate of Molybdenum(VI) with Bidentate Ligand and the Cation of 2,3,5-Triphenyl-2?-tetrazolium Chloride.
Kirila Stojnova, Petya Racheva, Vidka Divarova, Pavel Yanev, Vanya Lekova

Acta Chim Slov· June 2020

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
S
Study on the Chelate Formation and the Ion-association of Anionic Chelate of Molybdenum(VI) with 3,5-Dinitrocatechol and Monotetrazolium Cation.
Kirila Stojnova, Vidka Divarova, Petya Racheva, Kristina Bozhinova, Vanya Lekova

Acta Chim Slov· March 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
S
Study on the Complex Equilibria of Molybdenum(VI) with 3,5-Dinitrocatechol and Ditetrazolium Salt.
Kirila Stojnova, Petya Racheva, Vidka Divarova, Kristina Bozhinova, Vanya Lekova

Acta Chim Slov· July 2017

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
S
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.
Petya Racheva, Kirila Stojnova, Vidka Divarova, Vanya Lekova

Acta Chim Slov· June 2017

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Complex Formation in a Liquid-Liquid Extraction System Containing Co(II), 4-(2-Thiazolylazo)resorcinol and Monotetrazolium Salt.
Vidka Divarova, Kirila Stojnova, Petya Racheva, Vanya Lekova

Acta Chim Slov· June 2016

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
Ternary ion-association complexes of cobalt with 4-(2-pyridylazo)resorcinol and tetrazolium salts.
Vidka V Divarova, Vanya D Lekova, Petya V Racheva, Kirila T Stojnova, Kirila N Dimitrov

Acta Chim Slov· May 2015

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis