Extended X-ray Absorption Fine Structure spectroscopy

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Knowledge graph centered on Extended X-ray Absorption Fine Structure spectroscopy with 12 nodes and 23 connections. Top connected: Porewater Lead Concentrations Limited by Particula, drive-point piezometer groundwater sampling, porewater chemistry, iron speciation, redox gradients.

Description

X-ray absorption spectroscopy to determine lead coordination environments and speciation in soil samples. Uses linear combination fitting with reference standards to quantify different Pb phases.

Typical Equipment

Stanford Synchrotron Radiation Lightsource
aluminum sample holders
Kapton tape
liquid helium cryostat
anaerobic chamber

Output Measurements

Pb speciation
Pb-POM fractions
Pb-HFO fractions
PbS fractions

Papers Using This Protocol (1)

article

Porewater Lead Concentrations Limited by Particulate Organic Matter Coupled With Ephemeral Iron(III) and Sulfide Phases during Redox Cycles Within Contaminated Floodplain Soils

2021Environmental Science & Technologyusing