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Saturday, August 15, 2020 | History

2 edition of Surface specific characterisation of thiophene-generic adsorption systems. found in the catalog.

Surface specific characterisation of thiophene-generic adsorption systems.

Steven John Vinton

Surface specific characterisation of thiophene-generic adsorption systems.

by Steven John Vinton

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  • 7 Currently reading

Published by University of Manchester in Manchester .
Written in English


Edition Notes

Thesis (Ph.D.), - University of Manchester, Department of Chemistry.

ContributionsUniversity of Manchester. Department of Chemistry.
The Physical Object
Pagination208p.
Number of Pages208
ID Numbers
Open LibraryOL16764864M

Surfaces (ISSN ) is a peer-reviewed open access journal covering all aspects of surface and interface science, and it is published online quarterly by MDPI.. Open Access - free for readers, with article processing charges (APC) paid by authors or their institutions.; Rapid Publication: manuscripts are peer-reviewed and a first decision provided to authors . • • Nature of the gas • Chemical adsorption is highly specific and is formed if only the adsorbed molecules are capable of forming a chemical bond with the surface. • H2 can be adsorbed on Pt but not CO2. Heat of Adsorption • Since the chemical bond is much stronger, the heat of adsorption is much higher/5(5).

The use of nitrogen adsorption for the characterisation of porous materials Kenneth Sing * School of Chemistry, Bristol Uni ersity, Bristol, UK Abstract Problems, which may arise when low-temperature nitrogen adsorption is used for the characterisation of porous materials, are discussed in this review. The characterization techniques include: nitrogen adsorption, thermal analysis, potentiometric titration, FT-IR spectroscopy, X-ray diffraction, Energy Dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy and Electron Microscopy. The results obtained indicate that ammonia removal is governed by the adsorbent’s surface : Springer-Verlag New York.

A complementary combination of cyclic voltammetry, impedance spectroscopy and quartz crystal microbalance techniques was used to: (i) control the assembly of a model electrocatalytic system consisting of monolayer and sub-monolayer amounts of Ag and Pb on a Au electrode, (ii) evaluate the system performance for the reduction of NO 3 − and (iii) study the disassembly of the Cited by: Surfaces, an international, peer-reviewed Open Access journal. University of Surrey, UK Interests: Use of advanced materials characterisation techniques to determine and understand the composition, bonding and nanostructure of thin films and coatings; Techniques employed include XPS, AES, XRD, TEM, SEM, AFM, FIB-SEM; Single layer, multilayer and nanocomposite .


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Surface specific characterisation of thiophene-generic adsorption systems by Steven John Vinton Download PDF EPUB FB2

Surface specific characterisation of thiophene-generic adsorption systems. By Vinton S. Year: OAI identifier: oai::work/ Provided by: ePubs: the open archive for STFC research publications.

Suggested articles. To submit an Author: Vinton S. Surface characterization and adsorption abilities of cellulose fibers. and Ribitsch, V. (), Surface characterization and adsorption abilities of cellulose fibers. Polym Eng Sci, – doi: /pen modifications and electrokinetic behavior of fibers leads to a desirable adsorption mechanism which causes a.

Effects of structural changes of the pretreating agent on adsorption by modified silica adsorbents. Analytical Chemistry41 (8), DOI: /aca G. Eichholz, A. Nagel, and R. Hughes. Adsorption of Ions Dilute Aqueous Solutions on Glass and Plastic Surfaces.

characterization of the surface and protein properties is an essential prerequisite. The most important surface properties relevant to adsorption are presented in Table 1, together with examples of characterization methods.

The book by J. Andrade ~1 gives an extensive review of surface. Carbonized viscous liquid sludge and carbonized limed sludge are mainly mesoporous in nature, with specific surface areas reaching about m2 g-1 and 60 m2 g-1, respectively.

Finally, adsorption experiments, in aqueous solution, were carried out and show that carbonized viscous liquid sludges and limed sludge remove effectively the metallic Cited by:   Commercial coconut-based activated carbons (AC), before and after being treated using 65 wt% HNO 3 at different temperatures (termed as AC–Hs), were used as adsorbents to remove thiophene (T) or dibenzothiophene (DBT) from model by: The surface characteristics of small particles include surface area, rate of evaporation and condensation, electrostatic charge, adsorption, adhesion and light scatter.

In certain circumstances, changes in the environment of a particle during sampling and particle size analysis may change its size or state of aggregation or its surface characteristics. Characterisation of adsorbents Brunauer–Emmett–Teller (BET) surface area and pore size distribution.

The pore size distribution, surface area (S BET) and total pore volume (V TOT) of the produced char were determined from the nitrogen adsorption and desorption isotherm at − °C using a Quantachrome Autosorb 1-MP.S BET is determined by Cited by:   The isosteric enthalpy of adsorption is obtained as a function of the uptake by using Eqn (1) and adsorption isotherms measured across a wide temperature range, as shown in Fig.

1 (a). This was carried out for the MOF and water pair with a linear interpolation method, as shown in Fig. 1 (b).Cited by: Chemistry-specific surface adsorption of the barnacle settlement-inducing protein complex.

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Results were obtained by means of pure liquid N 2 adsorption at 77 ± K using a Gemini V surface analyser (Micromeritics, USA).

Prior to analysis, all samples were degassed under vacuum at Cited by: Surface Measurement Systems develops and engineers innovative experimental techniques and instrumentation for physico-chemical characterization of complex solids.

We are the world leaders in Dynamic Vapor Sorption (DVS) technology and Inverse Gas Chromatography instrumentation and solutions, providing professional world-class scientific and. Methods. Adsorption/desorption isotherms of nitrogen at 77 K were measured with an automated apparatus ASAP (Micromeritics, USA).

The specific surface areas, SBET, were calculated from the linear form of the BET equation, taking the cross-sectional area of the nitrogen molecule to be 10 - 20 m 2. By means of the in situ electrokinetic assessment of aqueous particles in conjunction with the addition of anionic adsorbates, we develop and examine a new approach to the scalable characterization of the specific accessible surface area of particles in water.

For alumina powders of differing morphology in mildly acidic aqueous suspensions, the effective surface Cited by: Adsorption of human lysozyme on hydrophobic graphite is investigated through atomistic computer simulations with molecular mechanics (MM) and molecular dynamics (MD) techniques.

The chosen strategy follows a simulation protocol proposed by the authors to model the initial and the final adsorption stage on a bare surface. Adopting an implicit solvent and considering 10 Cited by: Introduction, Definition of Surface Thermodynamic Functions, Work Needed to Create a Surface of a One-Component System: Surface Tension, The Surface Free Energy Is AIways Positive, Temperature Dependence of the Specific Surface Free Energy, Surface Heat Capacity, Cited by: evident on the surface of the prepared activated carbon.

Influence of initial pH The adsorption of MG and AB onto JSAC were studied at different pH varying from to for all three particle sizes (, and 1, lm). It was found that the maximum adsorption occurred at pH 6–7 for MG and at pH for AB by:   The adsorption of silica nanoparticles onto representative mineral surfaces and at the decane/water interface was studied.

The effects of particle size (the mean diameters from 5 to 75 nm), concentration and surface type on the adsorption were studied in detail. Silica nanoparticles with four different surfaces [unmodified, surface modified with anionic Cited by:. Surface tension and dilational viscoelasticity of solutions of various surfactants measured with bubble and drop profile analysis tensiometry are discussed.

The study also includes experiments on the co-adsorption of surfactant molecules from a solution drop and alkane molecules from saturated alkane vapor phase. Using experimental data for 12 surfactants with different surface Cited by: The book clearly explains the surface-related interactions of activated carbons, their energetics, and the applicability of adsorption isotherm equations and their deviation from adsorption data.We describe the synthesis and corresponding full characterization of the set of UiO metal–organic frameworks (MOFs) with 1,4-benzenedicarboxylate (C6H4(COOH)2, hereafter H2BDC) and 1,4-naphthalenedicarboxylate (C10H6(COOH)2, hereafter H2NDC) mixed linkers with NDC contents of 0, 25, 50, and %.

Their structural (powder X-ray diffraction, PXRD), Cited by: 4.