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Properties and components of water extracts
After reading this article you will..
- know that pH indicates the presence of acidic or basic ions in pulp and that the conductivity measurement indicates the level of residual ionic impurities.
- know that water soluble sulphates and chlorides are determined from water extract with chromatographic or titrimetric methods.
Material testing and product properties
- Why test pulp and paper?
- Fibre properties
- Papermaking properties of pulp
- Fluff pulps
- Chemical analysis of pulps
- General physical properties of paper and board
- Optical properties of paper
- End-use properties of printing papers
- End-use properties of packaging papers and boards
- Tissue papers
- Permanent papers
- Reliability of results in physical testing of pulp and paper
- Quality control at the mill
- Standardisation in pulp and paper testing
Authors & references
Edited by:
Petteri Maijanen, ABB
Original authors:
Tiina Hausalo, Liva Söderhjelm
Based on: Hausalo, T., Söderhjelm, L., Chemical analysis of pulps (Chapter 6). In: Levlin, J-E. & Sjöderhelm, L. (ed), Pulp and paper testing (Book 17), Papermaking Science and Technology. Jyväskylä. 1999. Fapet Oy. pp. 111–135.
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This page has been updated 30.03.2021