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Items for "alkaline copper quaternary (ACQ)"

Rate and extent of adsorption of ACQ preservative components in wood

The adsorption of copper, [as Cu(II)], monoethanolamine (MEA) and didecyldimethyl ammonium chloride (DDAC) components of CuMEA and alkaline copper quaternary (ACQ) solutions impregnated into wood was followed by measuring the changes in solution concentrations in the wood over time...

Keywords: Adsorption, alkaline copper quaternary (ACQ), didecyldimethyl ammonium chloride (DDAC), fixation, ion chromatography, monoethanolamine, quaternary ammonium compounds, stabilization, X-ray fluorescence spectroscopy

09/2005 | Holzforschung, Walter de Gruyter
Prediction of long-term leaching potential of preservative-treated wood by diffusion modeling

An approach to modeling leaching and leaching impacts of preservative components from treated wood is presented based on three simple laboratory determinations: the amount of preservative component available for leaching (Le), equilibrium dissociation of preservative into free water in wood (Di) and diffusion coefficients for component leaching in different wood directions (D)...

Keywords: alkaline copper quaternary (ACQ), borate, chromated copper arsenate (CCA), copper azole, diffusion, dissociation, Leaching, risk

09/2005 | Holzforschung, Walter de Gruyter