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Items for "ESCA"

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