But for benzene, when treated with SDM-A there was a turning point in its adsorption isotherm, which corresponding to the dividing point between monomolecular and multimolecular layer adsorption.
Four feedstuffs in common use (maise, soybean meal, rapeseed meal and fish meal) water activity adsorption isotherms and laws in quality change of mouldy were researched in this paper.