1. Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
2. Wallenberg Wood Science Center, Chalmers University of technology, 412 96 Gothenburg, Sweden
3. Mettler-Toledo B.V., Franklinstraat 5, 4004 JK Tiel, The Netherlands
4. Department of Industrial and Materials Science, Chalmers University of Technology, 412 96 Gothenburg, Sweden