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Chemical Characterization of Geomaterials – Lesson Summary

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Specific Surface Area
Specific Surface Area is a property of solids defined as the total surface area of a material per unit of mass, or solid or bulk volume. It is a physical value that can be used to determine the type and properties of a material.
Chemical Characterization of Geomaterials
Chemical Characterization is the process of defining the chemical properties of one or more components in the Geomaterials. The following methods are used to determine the chemical properties of a Geomaterial:
X-Ray Fluorescence
Inductively Coupled Plasma
Gas Chromatography
Nuclear Magnetic Resonance
FTIR spectroscopy
Cation Exchange Capacity
Pore-Solution Analysis
Lysimeter
A Lysimeter is a measuring device which can be used to measure the amount of actual evapotranspiration which is released by plants. By recording the amount of precipitation that an area receives and the amount lost through the soil, the amount of water lost to evapotranspiration can be calculated.
Soil Contaminants
Common contaminants in urban soils include pesticides, petroleum products, radon, asbestos, lead, chromated copper arsenate and creosote. In urban areas, soil contamination is largely caused by human activities.
Remediation
Environmental Remediation deals with the removal of pollution or contaminants from environmental media such as soil, groundwater, sediment, or surface water. The following are the various Remediation techniques for removing the contaminants from the soil:
Air Purging
Electro- Remediation
Bioremediation
Phytoremediation