Adsorption, X-ray diffraction, photoelectron, and atomic emission spectroscopy benchmark studies for the eighth industrial fluid properties simulation challenge oleh Richard B Ross, David B Aeschliman, Riaz Ahmad, John K Brennan, Myles L Brostrom, Kevin A Frankel, Jonathan D Moore, Joshua D Moore, Raymond D Mountain, Derrick M Poirier, Matthias Thommes, Vincent K Shen, Nathan E Schultz, Daniel W Siderius, Kenneth D Smith