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EXAFS spectroscopy

Subcategory: spectroscopy
Standard reference: Ravel and Newville, 2005; Webb, 2005
Papers: 3 | Mentions: 3

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Description

Extended X-ray absorption fine structure analysis of Fe-bearing colloids using synchrotron radiation with cryogenic sample preparation and shell-by-shell fitting to determine molecular coordination environment.

Typical Equipment

  • 30-element germanium detector
  • Stanford Synchrotron Radiation Lightsource beamline 7-3
  • Kapton tape

Output Measurements

  • Fe coordination environment
  • interatomic distances
  • coordination numbers
  • phase identification

Papers Using This Protocol (3)

article

X-ray chemical imaging for assessing redox microsites within soils and sediments

2024Frontiers in Environmental Chemistryusing
article

Structure and composition of natural ferrihydrite nano-colloids in anoxic groundwater

2023Water Researchusing
article

Geochemical Controls on Release and Speciation of Fe(II) and Mn(II) From Hyporheic Sediments of East River, Colorado

2020Frontiers in Waterusing

Species Studied With This Protocol

Phleum pratense

Poaceae1 paper

Salix

Salicaceae1 paper

Carex

Cyperaceae1 paper

Betula

1 paper

Potentilla pulcherrima

Rosaceae1 paper

Places Where Used

Upper Colorado River Basin

watershed1 paper

East River

stream1 paper

Gothic

study site1 paper

Stanford

study site1 paper

North America

region1 paper

Puerto Rico

region1 paper

Crook County

county1 paper

Mancos Shale

study site1 paper

toeslope

study site1 paper

Gunnison Basin

region1 paper