title: Measurement of complexation properties of humic and fulvic acids in natural waters with lead and copper ion-selective electrodes.
mesh_terms: D001578:Benzopyrans / Q000032:analysis*; D002614:Chelating Agents / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D003300:Copper; D004566:Electrodes; D006812:Humic Substances / Q000032:analysis*; D007854:Lead; D014873:Water Pollutants / Q000032:analysis
chemical_list: D001578:Benzopyrans; D002614:Chelating Agents; D006812:Humic Substances; D014873:Water Pollutants; D007854:Lead; D003300:Copper; C005023:fulvic acid