NP calculated based on carbonate content (“carbonate NP”)
Päivi M. Kauppila, Geological Survey of Finland, P.O. Box 1237, [...]
Acid-base accounting (ABA)
Henna Punkkinen, Markku Juvankoski, Tommi Kaartinen, Jutta Laine-Ylijoki, Elina Merta, [...]
Acid addition on the basis of the carbonate content
Last revision 1.4.2018 Introduction CEN/TC 292 [...]