Page 128 - Modern Derivatization Methods for Separation Sciences

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using chromatography. Described below is an example of the general process flow of pretreatment. The
processing for soil is shown as a flow (Fig 1.3.4) as, following extraction, this extract is generally
treated the same as liquid samples. Multiple-point sampling is generally applied to soil because the
concentration of the contaminant is naturally expected to differ greatly depending on the location.

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