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Items for "Oxalate"

Stability constants of technetium(IV) oxalate complexes as a function of ionic strength

Solvent extraction method was used to determine the stability constants of Tc(IV) with oxalate anions in NaCl solutions ranging in concentration from 0.5 M to 2.0 M...

Keywords: Technetium(IV), Oxalate, Complexation, Stability constants, Specific Ionic Interaction Theory

03/2006 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag
The common role of water molecule and lone electron pair as a bond-valence mediator in oxalate complexes: the crystal structures of Rb2(C2O4) · H2O and Tl2(C2O4)

The crystal structure of rubidium oxalate monohydrate, Rb2(C2O4) · H2O, has been refined using an imaging-plate diffractometer system and graphite-monochromatized MoKα radiation...

Keywords: Oxalate, Water molecule, Lone electron pair, Bond-valence analysis, Single crystal structure analysis

12/2006 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag
Vapor-phase diethyl oxalate pretreatment of wood chips: Part 1. Energy savings and improved pulps

Diethyl oxalate (DEO) was injected into a digester containing wood chips (pine, spruce, or aspen) preheated to 130–140°C and held for 30 min at the same temperature...

Keywords: energy savings, ester, mechanical, Oxalate, oxalic, refining, thermomechanical, vapor phase

05/2007 | Holzforschung, Walter de Gruyter
Vapor-phase diethyl oxalate pretreatment of wood chips: Part 2. Release of hemicellulosic carbohydrates

Wood chips of pine, spruce, aspen, and maple were treated at 135–140°C with diethyl oxalate (DEO) and analyzed for extractable and residual carbohydrates...

Keywords: biorefining, ester, hardwood, hemicelluloses, oxalic acid, Oxalate, softwood

05/2007 | Holzforschung, Walter de Gruyter
Iron and calcium translocation from pure gypsum and iron-amended gypsum by two brown rot fungi and a white rot fungus

Wood-degrading fungi commonly grow in contact with calcium (Ca)-containing building materials and may import Ca and iron (Fe) from soil into forest woody debris...

Keywords: dry rot, masonry, Oxalate, Serpula, wood decay

11/2008 | Holzforschung, Walter de Gruyter