Matches in SemOpenAlex for { <https://semopenalex.org/work/W2037040872> ?p ?o ?g. }
Showing items 1 to 71 of
71
with 100 items per page.
- W2037040872 endingPage "665" @default.
- W2037040872 startingPage "660" @default.
- W2037040872 abstract "Abstract Montmorillonite has a heterogeneous charge distribution, and it is important to determine whether constant potential edge sites or constant charge sites control metal adsorption. The pH dependence of metal adsorption provides insight into the adsorption mechanism as well as being an important variable that will determine the solubility of Cd or Cu in soil systems. Adsorption of Cu and Cd by Na‐montmorillonite (2 g L −1 ) in 0.01 M NaClO 4 was measured over a pH range from 4 to 8.5 under humidified N 2 gas. With the exception of experiments for Cu adsorption > 10 µ M Cu T , total soluble metal values were undersaturated with respect to known metal hydroxide solid phases. Kinetics for the adsorption of 50 µ M Cd T and Cu T were rapid, with equilibrium occurring within 30 min. Experimental data for initial metal concentrations ranging from 50 to 0.1 µ M yielded linear adsorption isotherms over the pH value range studied. Initial metal concentrations represent from 6 to 0.01% of the total sites available for metal binding, assuming an average of 0.8 mmol charge g −1 of clay. The pH dependence associated with Cd and Cu adsorption was reversible and much lower than observed for oxide minerals or for precipitation reactions. Adsorption of 2 µ M Cd T by 2.0, 0.2, and 0.02 g of clay L −1 suspensions showed that the fractional coverage of Cd on montmorillonite increased when the solid concentration decreased. As the fractional coverage approached saturation on the calculated amount of constant potential edge sites, the pH dependence increased and approached expected values of pH dependent charge on constant potential sites. This suggests that constant potential edge sites may primarily be responsible for Cd and Cu adsorption at low adsorption densities." @default.
- W2037040872 created "2016-06-24" @default.
- W2037040872 creator A5013008285 @default.
- W2037040872 creator A5079964792 @default.
- W2037040872 date "1983-07-01" @default.
- W2037040872 modified "2023-09-28" @default.
- W2037040872 title "Adsorption of Cd(II) and Cu(II) by Na-Montmorillonite at Low Surface Coverage" @default.
- W2037040872 doi "https://doi.org/10.2136/sssaj1983.03615995004700040011x" @default.
- W2037040872 hasPublicationYear "1983" @default.
- W2037040872 type Work @default.
- W2037040872 sameAs 2037040872 @default.
- W2037040872 citedByCount "68" @default.
- W2037040872 countsByYear W20370408722012 @default.
- W2037040872 countsByYear W20370408722013 @default.
- W2037040872 countsByYear W20370408722014 @default.
- W2037040872 countsByYear W20370408722015 @default.
- W2037040872 countsByYear W20370408722017 @default.
- W2037040872 countsByYear W20370408722018 @default.
- W2037040872 countsByYear W20370408722020 @default.
- W2037040872 countsByYear W20370408722021 @default.
- W2037040872 countsByYear W20370408722022 @default.
- W2037040872 crossrefType "journal-article" @default.
- W2037040872 hasAuthorship W2037040872A5013008285 @default.
- W2037040872 hasAuthorship W2037040872A5079964792 @default.
- W2037040872 hasConcept C114614502 @default.
- W2037040872 hasConcept C147789679 @default.
- W2037040872 hasConcept C150394285 @default.
- W2037040872 hasConcept C178790620 @default.
- W2037040872 hasConcept C179104552 @default.
- W2037040872 hasConcept C185592680 @default.
- W2037040872 hasConcept C2775896084 @default.
- W2037040872 hasConcept C2777129401 @default.
- W2037040872 hasConcept C2777515222 @default.
- W2037040872 hasConcept C2780358262 @default.
- W2037040872 hasConcept C33923547 @default.
- W2037040872 hasConcept C544153396 @default.
- W2037040872 hasConcept C9930424 @default.
- W2037040872 hasConceptScore W2037040872C114614502 @default.
- W2037040872 hasConceptScore W2037040872C147789679 @default.
- W2037040872 hasConceptScore W2037040872C150394285 @default.
- W2037040872 hasConceptScore W2037040872C178790620 @default.
- W2037040872 hasConceptScore W2037040872C179104552 @default.
- W2037040872 hasConceptScore W2037040872C185592680 @default.
- W2037040872 hasConceptScore W2037040872C2775896084 @default.
- W2037040872 hasConceptScore W2037040872C2777129401 @default.
- W2037040872 hasConceptScore W2037040872C2777515222 @default.
- W2037040872 hasConceptScore W2037040872C2780358262 @default.
- W2037040872 hasConceptScore W2037040872C33923547 @default.
- W2037040872 hasConceptScore W2037040872C544153396 @default.
- W2037040872 hasConceptScore W2037040872C9930424 @default.
- W2037040872 hasIssue "4" @default.
- W2037040872 hasLocation W20370408721 @default.
- W2037040872 hasOpenAccess W2037040872 @default.
- W2037040872 hasPrimaryLocation W20370408721 @default.
- W2037040872 hasRelatedWork W168309748 @default.
- W2037040872 hasRelatedWork W174168899 @default.
- W2037040872 hasRelatedWork W2002468605 @default.
- W2037040872 hasRelatedWork W2012601400 @default.
- W2037040872 hasRelatedWork W2015797351 @default.
- W2037040872 hasRelatedWork W2059434546 @default.
- W2037040872 hasRelatedWork W2068284113 @default.
- W2037040872 hasRelatedWork W2074233838 @default.
- W2037040872 hasRelatedWork W2388819906 @default.
- W2037040872 hasRelatedWork W2475211167 @default.
- W2037040872 hasVolume "47" @default.
- W2037040872 isParatext "false" @default.
- W2037040872 isRetracted "false" @default.
- W2037040872 magId "2037040872" @default.
- W2037040872 workType "article" @default.