Reactivity of some square-planar palladium(<scp>II</scp>) complexes in aqueous solution and in heptane–AOT–water microemulsions

Cavasino, F. Paolo; Sbriziolo, Carmelo; Liveri, Maria Liria Turco; Liveri, Vincenzo Turco

doi:10.1039/ft9949000311

Cited by 11 publications

(28 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The main difficulties in preparing the aqueous phase of the Fe precursor are the oxidation reaction of Fe(II) to Fe(III) [28][29][30][31] and the hydrolysis of Fe(III) ions. The oxidation reaction of Fe(II) changes the Fe(III)/Fe(II) ratio.…”

Section: Resultsmentioning

confidence: 99%

Continuous Flow Synthesis of Iron Oxide Nanoparticles Using Water-in-Oil Microemulsion

et al. 2020

View full text Add to dashboard Cite

A continuous laminar flow reactor for the synthesis of nanopowder in microemulsion is described. The reactor is suitable for separated handling with nucleation, growth, and stabilization processes. The synthesis of iron oxide nanoparticles was selected as a model case. A water−sodium dodecyl sulphate−cyclohexene system was used as the microemulsion system for dissolving reactive aqueous solution, precursor, and a particle stabilizer. The product was purified and transferred to the aqueous phase. The result was a colloid solution of iron oxide nanoparticles in water of 50-200 nm in size with a zeta potential ranging from -25 to -57 mV. The product was characterized by UV-VIS spectroscopy, powder XRD, dynamic light scattering, electron microscopy, and electron diffraction. The results showed that water-in-oil microemulsion method is useful for the synthesis of nanopowders to obtain large amounts of stable product.

show abstract

Section: Resultsmentioning

confidence: 99%

Continuous Flow Synthesis of Iron Oxide Nanoparticles Using Water-in-Oil Microemulsion

et al. 2020

View full text Add to dashboard Cite

show abstract

“…The nonlinear regression the second-order rate constants obtained in homogeneous analysis was performed by a standard software package (Kasolution and in w/o microemulsions can be directly com-leidaGraph, Abelbeck software). In order to obtain the k 2 pared (3,14). According to this consideration, a reasonable values, the instrumental constant n is required.…”

Section: Resultsmentioning

confidence: 99%

“…compared with the rates in bulk water (1)(2)(3). Besides, since Moreover, taking into account the hydrophilicity of the the micellar aggregates (reversed micelles) characterizing Pd complex species ([Pd(bipy)(en)] 2/ , [Pd(en) 2 ] 2/ ) and the structure of these systems share some fundamental feasome previously reported experimental results (11), it can tures of biomembranes (dominance of interfacial effects, be stated that both of the two Pd complex species and ethylordered arrangement of amphiphilic molecules), water in oil enediamine are solubilized within the aqueous nanodroplets, microemulsions have been proposed also as advantageous whereas 2,2-bipyridine is mainly solubilized in the organic reaction media to investigate biochemical reactions (4-6).…”

Section: Introductionmentioning

confidence: 99%

Determination of Kinetic and Thermochemical Parameters of a Substitution Reaction at a Square-Planar Palladium(II) Complex in Water/AOT/n-Heptane Microemulsions by Flow Microcalorimetry

Liveri

1995

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

“…Studies involving electron transfer between ferrous/ferric ions and their complexes have been widely reported in recent years [5,6].…”

Section: Introductionmentioning

confidence: 99%

“…Thus, the use of the Eqs. (6)(7)(8) and (10)(11)(12) (17) where the second order rate constant, kƍ obs , has the unit M -1 s -1 (i.e., conc. -1 time -1 ) and K i is the inhibition constant.…”

mentioning

confidence: 99%

Kinetics and mechanism of the oxidation of a ferrous complex with an α,α′-diimine chelate ligand by ceric sulfate in aqueous acidic medium by UV-vis absorption spectroscopy

Khattak

Naqvi

Farrukh

2008

JICS

View full text Add to dashboard Cite

Kinetics of the oxidation of tris(2,2ƍ-bipyridine)iron(II) sulfate by ceric sulfate was spectrophotometrically studied in an aqueous sulfuric acid medium. Different methods, including isolation, integration and half-life, were employed to determine the reaction order. The redox reaction was found to be first-order with respect to the reductant, tris(2,2ƍ-bipyridine)iron(II) sulfate, and the oxidant, ceric sulfate. Complex kinetics was observed with an increase in the initial concentration of the oxidant. The influence of the dielectric constant, [H + ] and [SO 4 2-] on the rate was also investigated. The increase in the dielectric constant and H + ion concentration of the medium retard the rate, while an increase in the SO 4 2-ion concentration first accelerates the rate, and then retards the reaction. The effect of each factor, i.e., the dielectric constant, H + ions and SO 4 2-ions, suggests that Ce(SO 4 ) 3 2-is

show abstract

Reactivity of some square-planar palladium(II) complexes in aqueous solution and in heptane–AOT–water microemulsions

Cited by 11 publications

References 20 publications

Continuous Flow Synthesis of Iron Oxide Nanoparticles Using Water-in-Oil Microemulsion

Continuous Flow Synthesis of Iron Oxide Nanoparticles Using Water-in-Oil Microemulsion

Determination of Kinetic and Thermochemical Parameters of a Substitution Reaction at a Square-Planar Palladium(II) Complex in Water/AOT/n-Heptane Microemulsions by Flow Microcalorimetry

Kinetics and mechanism of the oxidation of a ferrous complex with an α,α′-diimine chelate ligand by ceric sulfate in aqueous acidic medium by UV-vis absorption spectroscopy

Contact Info

Product

Resources

About