Fig. 4. Association of the sum of trinitrotoluene and its degradation products (TNT*) to dissolved organic matter (DOM) as a function of pH and solution concentrations of TNT. The TNT* bound to DOM was determined as ¹⁴C activity in the DOM fraction after 20 h of equilibration. Langmuir isotherms are shown for two-phase (particulate organic matter [POM] + DOM) and one-phase (DOM) systems.

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