Ligand exchange method for determination of mole ratios of relatively weak metal complexes: a comparative study

M Mabrouk, SF Hammad, MA Abdelaziz… - Chemistry Central …, 2018 - Springer
Ligand exchange method is introduced as an alternative to Job's and mole ratio methods for
studying the stoichiometry of relatively weak metal complexes in solutions. The method …

Recognition of D-Penicillamine using Schiff base centered fluorescent organic nanoparticles and application to medicine analysis

PG Mahajan, GB Kolekar, SR Patil - Journal of fluorescence, 2017 - Springer
Schiff base centered fluorescent organic compound 1, 1′-[(1 E, 2 E)-hydrazine-1, 2-
diylidenedi (E) methylylidene]-dinaphthalen-2-ol (HN) was synthesized followed by spectral …

Validated spectrofluorimetric method for determination of mirabegron by utilizing its quenching effect on acetoxymercuric fluorescein reagent

S Morshedy, G Omran, OA Abdullatef, M Omar… - … Acta Part A: Molecular …, 2020 - Elsevier
A reliable, sensitive, simple and inexpensive spectrofluorimetric method has been
developed for assay of mirabegron in bulk powder and in its tablets. The method depends …

Ligand exchange spectrophotometric method for the determination of mole ratio in metal complexes

FR Mansour, ND Danielson - Microchemical Journal, 2012 - Elsevier
An innovative ligand exchange method involving the displacement of Fe (III) or Cu (II) ion by
a ligand such as EDTA from the corresponding metal-salicylate complex has been …

Determination of Baloxavir Marboxil in Pharmaceutical Preparations and Spiked Human Plasma Using its Quenching Action on Acetoxymercuric Fluorescein Reagent …

MS Nasr, MMY Kaddah, S Morshedy, G Omran… - Heliyon, 2024 - cell.com
A straightforward, reliable, and cost-effective spectrofluorimetric approach has been
established for the analysis of baloxavir marboxil (BXM) in raw material, tablets, as well as …

Spectrophotometric and spectrofluorimetric determination of mesna, acetylcysteine and timonacic acid through the reaction with acetoxymercuri fluorescein

RS Haggag, DA Gawad, SF Belal, HM Elbardisy - Analytical Methods, 2016 - pubs.rsc.org
Simple, sensitive and specific spectrophotometric (Method I) and spectrofluorimetric (Method
II) methods were developed for the determination of three sulfur-containing drugs: mesna …

A simple method for determination of D-penicillamine on the carbon paste electrode using cupric ions

A Ghaffarinejad, F Hashemi, Z Nodehi… - Bioelectrochemistry, 2014 - Elsevier
The interaction of d-penicillamine (PA) with copper at the carbon paste electrode (CPE) in
the presence of cupric ions (Cu 2+) was used for the determination of PA at very low …

New spectrofluorimetric and spectrophotometric methods for the determination of the analgesic drug, nalbuphine in pharmaceutical and biological fluids

AM El‐Didamony, II Ali - Luminescence, 2013 - Wiley Online Library
We describe the first studies of a simple and sensitive spectrofluorimetric and
spectrophotometric methods for the analysis of nalbuphine (NLB) in dosage form and …

Construction of a nanocomposite sensor by the modification of a carbon-paste electrode with reduced graphene oxide and a hydroquinone derivative: simultaneous …

A Benvidi, P Dehghan, A Dehghani-Firouzabadi… - Analytical …, 2015 - pubs.rsc.org
The present study reports a sensor for the determination of glutathione using a carbon-paste
electrode modified with reduced graphene oxide (RGO) and 10, 10-dimethyl-7 (3, 4 …

Development and validation of a new spectrophotometric method for the determination of cephalexin monohydrate in pure form and pharmaceutical formulations

MN Khan, J Ahmad, MN Jan, H Gulab… - Journal of the Brazilian …, 2016 - SciELO Brasil
A simple, fast, sensitive and accurate spectrophotometric method has been developed for
the quantitative determination of cephalexin monohydrate in dosage form and in commercial …