Figure 1. Coefficient of determination between setting time and concentration of gypsum added as obtained from the experiment

From

Empirical Evaluation of Slag Cement Minimum Setting Time (SCMST) by Optimization of Gypsum Addition to Foundry Slag during Production

C. I. Nwoye, I. Obuekwe, C. N. Mbah, S. E. Ede, C. C. Nwangwu, D. D. Abubakar

American Journal of Mining and Metallurgy. 2014, 2(3), 51-56 doi:10.12691/ajmm-2-3-3