JEQ -- Hur and Schlautman 33 (5): 1733 Figure IG5

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Fig. 5. Correlations between pyrene log K_oc values (pH 4, 0.1 M NaCl) and log MW_w for dissolved and mineral-bound ( ${circ}$ , •: kaolinite; ${square}$ , ${blacksquare}$ : hematite) humic substances (HS): (a) different HS and (b) purified Aldrich humic acid (PAHA) ultrafiltration (UF) fractions.