This is the accepted manuscript version of the article The effect of calcium lignosulfonate on ettringite formation in cement paste Colombo, A., Geiker, M., Justnes, H., Lauten, R. A., & De Weerdt, K. Citation for the published version (APA 6th) Colombo, A., Geiker, M., Justnes, H., Lauten, R. A., & De Weerdt, K. (2018). The effect of calcium lignosulfonate on ettringite formation in cement paste. Cement and Concrete Research, 107, 188‐ 205. doi:https://doi.org/10.1016/j.cemconres.2018.02.021 This is accepted manuscript version. It may contain differences from the journal's pdf version. This file was downloaded from SINTEFs Open Archive, the institutional repository at SINTEF http://brage.bibsys.no/sintef