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Items for "XPS"

XPS-Studies on the Formation of Passive Layers on Sn and CuSn Alloys in 0.1 M KOH

Passive layers on tin, CuSn4 and CuSn19 were prepared in 0.1 N KOH (pH 12.5) under potentiostatic control with systematic variation of the relevant parameters, such as potential and time, and examined by X-ray photoelectron spectroscopy...

Keywords: Sn, CuSn, XPS, Passivity

11/2005 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Challenges in the Surface Analytical Characterisation of Anodic TiO₂ Films – a Review

Surface analytical findings of thick anodic passive layers on titanium are discussed and analysed in order to give a critical overview about possible artefacts for the system Ti/TiO₂...

Keywords: Anodic Oxide on Titanium, Surface Morphology, XPS, AES, Sputter Effects

11/2005 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Surface Studies on the Ionic Liquid 1-Ethyl-3-Methylimidazolium Ethylsulfate Using X-Ray Photoelectron Spectroscopy (XPS)

Surface studies of ionic liquids are particularly important for all kinds of multiphasic operations employing ionic liquids, e.g. biphasic homogeneous catalysis or supported ionic liquid phase catalysis...

Keywords: Ionic Liquids, XPS, Surface, Composition, Orientation

10/2006 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

XPS in combination with mercurization – incorporation of mercury into different morphological parts of an unbleached softwood kraft pulp

In this study the rate and extent of mercury incorporation into different morphological fractions, i.e., fibers, mechanically peeled fibers, primary and secondary fines, of an unbleached softwood kraft pulp were evaluated...

Keywords: ESCA, extractives, fiber surfaces, fines, lignin, mercurization, softwood kraft pulp, XPS

01/2006 | Holzforschung, Walter de Gruyter

Comparison of different XPS methods for fiber surface analysis

Three different XPS methods based on the O/C atomic ratio, C1 carbon content, and Hg amount are compared in this study to quantify the surface coverage of various pulp fiber surfaces by lignin and extractives...

Keywords: ESCA, extractives, fiber surfaces, lignin, mercurization, softwood kraft pulp, thermomechanical pulp, wheat-straw pulp, XPS

01/2006 | Holzforschung, Walter de Gruyter

Critical comparison of methods for surface coverage by extractives and lignin in pulps by X-ray photoelectron spectroscopy (XPS)

Different methods for estimation of the surface coverage by extractives and lignin were critically compared...

Keywords: chemical pulp, ESCA, lignin, surface chemistry, spectrometry, thermomechanical pulp, wood extractives, XPS

03/2006 | Holzforschung, Walter de Gruyter

Comparative Study of Thymine Adsorption on Cu- and Ag-Adlayers on Au(111) Electrodes

The electronic attributes of an electrochemically deposited copper monolayer on Au(111) were compared to its bulk equivalent by XPS experiments...

Keywords: Cu-UPD, Ag-UPD, XPS, Surface Core Level Shifts, Thymine Adsorption

09/2007 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Adsorption and kinetic desorption study of ^152+154Eu(III) on multiwall carbon nanotubes from aqueous solution by using chelating resin and XPS methods

Multiwall carbon nanotubes (MWCNTs) have been pretreated with HNO₃ and used for the adsorption of radionuclide ^152+154Eu(III) from aqueous solutions...

Keywords: Carbon nanotubes, Eu(III), Adsorption, XPS, Kinetic desorption

01/2008 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag

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Items for "XPS"