How to Perform non-linear fitting on data in Freundlich & Langmuir isotherm models in origin?

[@gautamdjango6091]

nice tutorial.... thnx a lot.....but how can we do complex models like DA DR mod DA for various temperatures with one set of isotherm constant. for Co2 CH4 and H2.. ?

[@stelgeukis2135]

Hi, which version of origin do used?

[@AQRAMO]

Hello I did find the fx button in my origin software where you download langmuir function

[@yr_softwaretutorial]

Please refer to the ninth minute of this video for the solution.