TY - RPRT TI - Tangential-flow ultrafiltration: a versatile methodology for determination of complexation parameters in refractory organic matter from Brazilian water and soil samples. AU - L P C Romão AU - G R Castro AU - A H Rosa AU - J C Rocha AU - P M Padilha AU - H C Silva PY - 2003 DO - 10.1007/s00216-002-1728-6 UR - https://pubmed.ncbi.nlm.nih.gov/12733022/ ID - 12733022 ER -