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Fig. 6. Sorption of 1,2,4- trichlorobenzene (TCB) by Amherst humic acid (H-HA) and Amherst Al-flocculated humic acid (Al-HA) in the absence and presence of 1,3- dichlorobenzene (DCB) as the competing solute. Dashed lines represent Freundlich fits for the entire single-solute trichlorobenzene (TCB) isotherms, only part of which is shown in each case. Arrows indicate progressively increasing initial concentration of DCB (CDCB) from 0 to 25.8 mg/L in each series at constant total TCB mass present.
