Results 21 to 30 of about 16,954 (217)

Controle da qualidade na determinação potenciométrica de sulfetos volatilizáveis por acidificação (SVA) utilizando adições de padrão

open access: yesQuímica Nova, 2012
This paper presents a quality assurance and quality control protocol in order to ensure the reliability of analytical results for the determination of acid volatile sulfides in environmental samples by potentiometry.
Enelton Fagnani   +3 more
doaj   +1 more source

Bibliographic study of potentiometric methods of wine and must analysis

open access: yesOENO One, 1995
In this paper, an overview of the application of potentiometry to wine and must analysis is presented. The large number of electrodes nowadays available with good characteristics for routine use, namely good selectivity and low response times, allowing ...
Ricardo Pérez-Olmos   +4 more
doaj   +1 more source

Metal Coordination Properties of a Chromophoric Desferrioxamine (DFO) Derivative: Insight on the Coordination Stoichiometry and Thermodynamic Stability of Zr4+ Complexes

open access: yesMolecules, 2021
Desferrioxamine (DFO) is the current “gold standard” chelator for 89Zr4+, which is used to label monoclonal antibodies for applications in immunopositron emission tomography.
Matteo Savastano   +2 more
doaj   +1 more source

Cucurbit[8]uril-Based Potentiometric Sensor Coupled to HPLC for Determination of Tetracycline Residues in Milk Samples

open access: yesChemosensors, 2022
The determination of chlortetracycline, doxycycline, oxytetracycline, and tetracycline in milk samples by HPLC coupled to a cucurbit[8]uril-based potentiometric sensor is herein presented.
Renato L. Gil   +3 more
doaj   +1 more source

High-Performance Bioinstrumentation for Real-Time Neuroelectrochemical Traumatic Brain Injury Monitoring [PDF]

open access: yes, 2016
Traumatic brain injury (TBI) has been identified as an important cause of death and severe disability in all age groups and particularly in children and young adults.
Boutelle, M   +6 more
core   +2 more sources

The Novel Potentiometric Approach to Antioxidant Capacity Assay Based on the Reaction with Stable Radical 2,2′-diphenyl-1-picrylhydrazyl

open access: yesAntioxidants, 2022
For the first time, new possibilities of using the DPPH• as a signal-forming oxidant molecule with potentiometric detection are shown. The CV method confirmed the presence of a quasi-reversible potential-determining system DPPH•/DPPH-H under experimental
Elena Gerasimova   +3 more
doaj   +1 more source

The Development of a Direct Homologous Radioimmunoassay for Serum Cortisol [PDF]

open access: yes, 1981
Peer ...
Giesemann, G.   +4 more
core   +2 more sources

Dissolution périodique du nickel dans l'acide nitrique en présence de chlorures

open access: yesCHIMIA, 1975
In the presence of Cl-, nickel dissolves periodically in HNO3 for normalities between 9 < N < 17. This phenomenon is investigated by potentiometry and thermometry.
Vincent J. Farage   +2 more
doaj   +1 more source

Preparation a multi-walled carbon nanotubes-carbon paste electrode based on a sulfanyl phenyl Schiff’s base for selective determination of mercury(II) in environmental water samples [PDF]

open access: yesJournal of Water and Environmental Nanotechnology, 2019
The electrochemical property of a recently synthesized ligand, 3-((3-mercaptophenyl) aminomethyl)benzene-1,2-diol has been investigated with construction of a modified carbon paste electrode to find out of mercury ions in real samples.
Kamal Alizadeh   +2 more
doaj   +1 more source

Electrochemical Analysis of Heavy Metal Ions Using Conducting Polymer Interfaces

open access: yesElectrochem, 2022
Conducting polymers (CPs) are highly conjugated organic macromolecules, where the electrical charge is transported in intra- and inter-chain pathways. Polyacetylene, polythiophene and its derivatives, polypyrrole and its derivatives, and polyaniline are ...
Gerardo Salinas   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy