Speciation means different form of a contaminants. Each form may have different intensity of toxicity. Some species of a single chemical contaminate may be very harm ful but other may be harm les. For example in case of Arsenic which is considered as very toxic. Arsenic present in water in different species like : H3AsO3, H2AsO3, H2AsO3,HAsO3, H3AsO4, H2AsO4 and HAsO4. Speciation study vary from one component to other. However it require knowledge of kinetic phase study
Hi, Asit,
Chemical speciation modeling is used in the study of water-rock interactions in groundwater systems. It generally means how close the system is towards checmial equlibrium between the rock and the solution-groundwater in question. In the study of hydrothermal systems it even gives an estimate of deep temperature through the use of checmial geothermometry.
It is therefore very significant in groundwater studies.
Hope this helps.
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