“…8 if [SOH] S [So -SX], While the Wark-Gaudin mechanism is consistent with single-site adsorption and equation 12, it can be demonstrated to be incorrect from adsorption potential arguments, i.e., it requires an excessively largeµ[ -] for equation 29 to be applicable and an excessively large potential for water adsorption. The hydroxyl ion-depressant ion counterpart of equation 8 may be written…”