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Items for "viscosity"

Alkaline peroxide treatment of ECF bleached softwood kraft pulps. Part 1. Characterizing the effect of alkaline peroxide treatment on carboxyl groups of fibers

The influence of alkaline peroxide treatment has been characterized on elementally chlorine-free (ECF) bleached softwood (SW) kraft pulp...

Keywords: carbonyl, carboxyl, copper number, fiber charge, peroxide, sodium borohydride, tensile strength, viscosity

06/2007 | Holzforschung, Walter de Gruyter

On the relationship between fibre length, cellulose chain length and pulp viscosity of a softwood sulfite pulp

Many chemical pulp mills use pulp viscosity as an indicator of pulp strength, and some mill customers stipulate a particular viscosity threshold for the delivered product...

Keywords: Bauer-McNett, degree of polymerisation, fibre length, fractionation, Kajaani, sulfite pulps, viscosity

07/2006 | Holzforschung, Walter de Gruyter

High-consistency ozonation of hardwood kraft pulp

At present, ozone is one of the main chemicals in elemental chlorine-free (ECF) and totally chlorine-free (TCF) bleaching sequences...

Keywords: brightness, hardwood, hexenuronic acid groups, kappa number, Kinetics, kraft pulp, lignin, Ozone, shrinking core model, viscosity

11/2006 | Holzforschung, Walter de Gruyter

Density, Apparent and Partial Molar Volumes, and Viscosity of Aqueous Na₂CO₃ Solutions at High Temperatures and High Pressures

Density of five (0.124, 0.334, 0.706, 1.055, and 1.123) mol kg^-1 and viscosity of seven (0.124, 0.2918, 0.334, 0.706, 0.8472, 1.055, and 1.123) mol kg^-1 binary aqueous Na₂CO₃ solutions have been measured with a constant-volume piezometer and capillary flow techniques, respectively...

Keywords: Apparent and Partial Molar Volumes, Density, B-Coefficient, Sodium Carbonate, viscosity

08/2007 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Application Potential of Integrated Thin Film Resonators in Liquid and Gaseous Media

Integrated Film Bulk Acoustic Resonators (FBARs) are suitable for various sensor applications in gaseous and under certain circumstances also liquid surroundings...

Keywords: film bulk acoustic resonator (FBAR), gravimetric detection, bio-sensing, Gas Detection, viscosity

02/2008 | tm – Technisches Messen, Oldenbourg Wissenschaftsverlag

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