Could any one kindly explain how to fit non-linear Florry-Huggins isotherm in OriginLab?

I want to fit non-linear Florry-Huggins isotherm by originlab. I have used and fitted my data for different non-linear isotherm models (Langmuir, Freundlich, Dubinin-Radushkevich (D-R), Temkin,...

10 October 2018 2,348 7 View