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Colloidal stability and heavy metal adsorption on rGO, rGO/magnetite, rGO/silver, and rGO/magnetite/silver

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Catalog Last Checked: August 03, 2026 at 12:44 AM | Dataset Last Updated: March 28, 2019
The data set shows 1) adsorption kinetics and capacities for Cd(II), Ni(II), Zn(II), Co(II), Pb(II), and Cu(II) as affected by pH and ionic strength; 2) hydrodynamic diameter of nanomaterials as a function of time; and 3) X-ray photoelectron spectra (XPS) of rGO before and after Cd(II) adsorption; and (4) X-ray diffractograms (XRD) of nanomaterials. This dataset is associated with the following publication: Park, C.M., D. Wang, J. Han, J. Heo, and C. Su. Evaluation of the colloidal stability and adsorption performance of reduced graphene oxide–elemental silver/magnetite nanohybrids for selected toxic heavy metals in aqueous solutions. Applied Surface Science. Elsevier B.V., Amsterdam, NETHERLANDS, 471: 8-17, (2019).

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Complete Metadata
accessLevel public
bureauCode 
[
  "020:00"
]
contactPoint 
{
  "fn": "Chunming Su",
  "hasEmail": "mailto:su.chunming@epa.gov"
}
description The data set shows 1) adsorption kinetics and capacities for Cd(II), Ni(II), Zn(II), Co(II), Pb(II), and Cu(II) as affected by pH and ionic strength; 2) hydrodynamic diameter of nanomaterials as a function of time; and 3) X-ray photoelectron spectra (XPS) of rGO before and after Cd(II) adsorption; and (4) X-ray diffractograms (XRD) of nanomaterials. This dataset is associated with the following publication: Park, C.M., D. Wang, J. Han, J. Heo, and C. Su. Evaluation of the colloidal stability and adsorption performance of reduced graphene oxide–elemental silver/magnetite nanohybrids for selected toxic heavy metals in aqueous solutions. Applied Surface Science. Elsevier B.V., Amsterdam, NETHERLANDS, 471: 8-17, (2019).
distribution 
[
  {
    "title": "Agg_rGO.Magnetite.Silver_Metals.xls",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/Agg_rGO.Magnetite.Silver_Metals.xls"
  },
  {
    "title": "Agg_rGO.Magnetite_Metals.xls",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/Agg_rGO.Magnetite_Metals.xls"
  },
  {
    "title": "Agg_rGO.Silver_Metals.xls",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/Agg_rGO.Silver_Metals.xls"
  },
  {
    "title": "Agg_rGO_Metals.xls",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/Agg_rGO_Metals.xls"
  },
  {
    "title": "XPS.RGO (Full can).csv",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/XPS.RGO%20%28Full%20can%29.csv"
  },
  {
    "title": "XPS.RGO (High resolution).csv",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/XPS.RGO%20%28High%20resolution%29.csv"
  },
  {
    "title": "XPS.rGO   Cd (Full scan).csv",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/XPS.rGO%20%20%20Cd%20%28Full%20scan%29.csv"
  },
  {
    "title": "XPS.rGO   Cd (High resolution).csv",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/XPS.rGO%20%20%20Cd%20%28High%20resolution%29.csv"
  },
  {
    "title": "XRD.rGO.Ag.Fe.xls",
    "mediaType": "application/vnd.ms-excel",
    "downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503670/XRD.rGO.Ag.Fe.xls"
  }
]
identifier https://doi.org/10.23719/1503670
keyword 
[
  "Adsorption kinetics",
  "Aggregation kinetics",
  "XPS",
  "adsorption isotherms",
  "toxic heavy metal"
]
license https://pasteur.epa.gov/license/sciencehub-license.html
modified 2019-03-28
programCode 
[
  "020:095"
]
publisher 
{
  "name": "U.S. EPA Office of Research and Development (ORD)",
  "subOrganizationOf": {
    "name": "U.S. Environmental Protection Agency",
    "subOrganizationOf": {
      "name": "U.S. Government"
    }
  }
}
references 
[
  "https://doi.org/10.1016/j.apsusc.2018.11.240"
]
rights 
null
title Colloidal stability and heavy metal adsorption on rGO, rGO/magnetite, rGO/silver, and rGO/magnetite/silver

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