Figure 4 (a) Liquid phase concentration oftrans-cyclooctene in a stirred vessel with a suspension of AgNO₃/SiO₂ in n-hexane (1% diethyl ether) W_AgNO3/SiO2=0.175 g, C₀=8.06 g/dm³ at 23˚C, (b) (pseudo-)second-order kinetics for adsorption of trans-cyclooctene onto AgNO₃/SiO₂