Multi-residue analysis of pharmaceutical compounds in aqueous samples

A Togola, H Budzinski - Journal of Chromatography a, 2008 - Elsevier
procedure. The work presented here deals with the development of an extraction procedure
… The optimized procedure has been successfully applied to the analysis of wastewaters, …

Optimization of the class-selective extraction of triazines from aqueous samples using a molecularly imprinted polymer by a comprehensive approach of the retention …

F Chapuis, V Pichon, F Lanza, S Sellergren… - … of Chromatography A, 2003 - Elsevier
… The aim of this work is to optimize the SPE procedure for the class extraction of triazines and
their polar degradation products with the direct percolation of aqueous samples through the …

Optimization of the procedure for efficient dispersion of titanium dioxide nanoparticles in aqueous samples

J Vidmar, R Milačič, V Golja, S Novak, J Ščančar - Analytical Methods, 2016 - pubs.rsc.org
… The data of the present investigation contribute to reliable procedures for the … in aqueous
samples. The study offers effective procedures for stabilization of NPs in aqueous samples that …

Multivariate optimization of cloud point extraction procedure for zinc determination in aqueous extracts of medicinal plants by flame atomic absorption spectrometry

NF Kolachi, TG Kazi, S Khan, SK Wadhwa… - Food and Chemical …, 2011 - Elsevier
… zinc (Zn) in aqueous extract of medicinal plants and blood samples of liver cancer patients
using flame atomic absorption spectrometry. The Zn in aqueous extracts of medicinal plants (…

Multivariate optimization of an aqueous two-phase extraction for determination of cadmium and manganese in food sample

DSC Neves, AS Souza, LR de Lemos - Microchemical Journal, 2020 - Elsevier
… due to the low efficiency of sample nebulization and the short time the analyte remains in
the optical path [7]. In this context, microextraction procedures employing organic solvents are …

Factorial design in the optimization of preconcentration procedure for lead determination by FAAS

M Soylak, I Narin, M de Almeida Bezerra, SLC Ferreira - Talanta, 2005 - Elsevier
… The method was applied for lead determination in real samples of water, tea, … samples
revealed that the proposed procedure could be applied satisfactorily for analysis of these samples

Optimization of dispersive liquid–liquid microextraction of copper (II) by atomic absorption spectrometry as its oxinate chelate: application to determination of copper in …

MA Farajzadeh, M Bahram, BG Mehr, JÅ Jönsson - Talanta, 2008 - Elsevier
… 2+ ions from aqueous samples followed by their determination … than that of the aqueous
sample and the dispersive solvent … and build a model to optimize the procedure, we start with a …

[HTML][HTML] Chemometric approach to optimize the operational parameters of ESI for the determination of contaminants of emerging concern in aqueous matrices by LC …

KLT Rodrigues, AL Sanson… - Microchemical …, 2014 - Elsevier
… factor that defines the experimental domain to be investigated during the optimization
procedure. Optimization procedures are frequently performed by experimental designs. The most …

[HTML][HTML] Dispersion of nanomaterials in aqueous media: Towards protocol optimization

I Kaur, LJ Ellis, I Romer, R Tantra… - Journal of …, 2017 - pmc.ncbi.nlm.nih.gov
procedure from steps 1.1.1 - 1.1.4 for 70%, 90%, and 100% amplitude settings. The power
value obtained using this procedure is reported during dispersion procedureaqueous sample

Application of multivariate optimization procedures for preconcentration and determination of Au (III) and Pt (IV) in aqueous samples with graphene oxide by X-ray …

MK Rofouei, N Amiri, JB Ghasemi - Environmental monitoring and …, 2015 - Springer
A simple method was developed for the determination of Au(III) and Pt(IV) contents in aqueous
samples after preconcentration. The method was based on the sorption of analytes as 2-…