The finding that hexenuronic acid (HexA) groups can be selectively removed from kraft pulps by acid hydrolysis has provided an opportunity to reduce bleaching chemicals...
Keywords: acid hydrolysis, activation energy, hexenuronic acid, kinetic, kraft pulp, lignin-carbohydrate complexes, reaction order, reaction rate
03/2006 | Holzforschung, Walter de GruyterNanoparticles of spinel ferrites MnxZn1-xFe2O4 with x = 0.0 to 1.0 were prepared by co-precipitation method...
Keywords: Nanoparticles, Direct Current Resistivity, activation energy, Porosity, X-ray diffraction
07/2007 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag