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.
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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