Simultaneous optimization of multiple responses and its application in Analytical Chemistry–A review

MA Bezerra, SLC Ferreira, CG Novaes… - Talanta, 2019 - Elsevier
This manuscript covers the application of the main techniques for simultaneous optimization
of multiple responses generated by the application of multivariate designs (two-factor …

Multivariate optimization techniques in analytical chemistry-an overview

SLC Ferreira, VA Lemos, VS de Carvalho… - Microchemical …, 2018 - Elsevier
This review presents fundamentals and a critical evaluation of the multivariate optimization
techniques employed by the analytical chemistry. Characteristics of the surface response …

Robustness evaluation in analytical methods optimized using experimental designs

SLC Ferreira, AO Caires, TS Borges, AMDS Lima… - Microchemical …, 2017 - Elsevier
Robustness has been defined as being the capacity of an analytical procedure to produce
unbiased results when small changes in the experimental conditions are made voluntarily …

Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials

S Carter, A Fisher, B Gibson, J Marshall… - Journal of Analytical …, 2017 - pubs.rsc.org
This ASU review focuses on developments in applications of atomic spectrometry to the
characterisation of metals, chemicals and materials. It is difficult to identify research trends …

Sensitive quantification of uranium using cloud point extraction coupled with inductively coupled plasma-optical emission spectrometry

ZF Akl - Journal of Radioanalytical and Nuclear Chemistry, 2018 - Springer
This article reports the utilization of cloud point extraction as a preconcentration strategy
prior to U (VI) determination by inductively coupled plasma-optical emission spectrometry …

A new spectrophotometric method for Thorium determination using 1, 4-dihydroxyanthraquinone

AH Orabi, AA Abdou, SH Ahmed, WH Mahmoud… - Journal of Analytical …, 2021 - Springer
Abstract A new reagent, 1, 4-dihydroxyanthraquinone (1, 4-DHA), is described for the
spectrophotometric determination of thorium (IV). Optimization of the formed thorium− 1, 4 …

An innovative spectrophotometric method for determination of uranium and thorium using 3-aminomethylalizarn-N-N diacetic acid in some geological samples

AH Orabi, NI Falila, DA Ismaiel… - Journal of radioanalytical …, 2021 - Springer
aminomethylalizarn-NN diacetic acid chromogenic dye (AMADA) was used for the first time
in uranium and thorium spectrophotometric estimation with accurate and sensitive result …

[PDF][PDF] Analyses of uranium and fluoride in diammonium phosphate fertilizers marketed in India during 2021–2022

LP Ramteke, RS Soni, B Rebary… - Int J Manures …, 2022 - researchgate.net
Uranium concentrations were estimated of 11 phosphate fertilizer samples collected during
2016-2019 and also of 15 Di Ammonium Phosphate (DAP) samples procured from different …

Separation and determination of uranium in phosphoric acid medium using high-performance ion chromatography

EM El Gammal, SH Ahmed - Journal of Radioanalytical and Nuclear …, 2019 - Springer
A new method is presented for measuring of uranium at low levels in crude phosphoric acid
without preconcentration or complexing agents using Dionex DX-500 ion chromatograph …

A novel method for extractive spectrophotometric determination of uranium by Azur II dye in some geological samples

AH Orabi, SS Abdulmoteleb, DA Ismaiel… - International Journal of …, 2023 - Taylor & Francis
ABSTRACT A novel and really simple method for extractive photometric determination of
uranium is achievable by Azur II dye with accurate and sensitive results. This has been …