The Dye Tracing Pages

Matrix Interference Investigation

A matrix interference investigation may be needed previous to selection of the dye or dyes to be used. This involves a laboratory investigation to measure the potential impact of chemicals in the groundwater on the dye concentration, the absorption of the dye by the charcoal or the release of dye from the charcoal during elution. This data will be used in conjunction with the background fluorescence data in order to determine the most appropriate dye or dyes to use in the tracer study.


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