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Abstract

A concentration module for concentrating contaminants in a matrix at the site where the matrix is being used. The modules have one or more concentration columns. Each concentration column is packed with the appropriate functional ion-exchange polymer for capturing the desired contaminants, a connector to connect to a source of the matrix, a distributor to connect the connector to the input side of each concentration column, output tubing connected to the output side of each concentration column and a housing for enclosing and supporting each concentration columns, the distributor and the output tubing. A method for concentrating trace contaminants in a matrix for analysis by an analytical instrument while minimizing any contamination of the concentrated trace contaminants comprises the steps of transporting a concentration column to a site where the matrix is being used, the sample concentration column being packed with a functional polymer to capture the trace contaminants in the matrix, connecting the sample concentration column to a site source of the matrix and passing a sample volume of the matrix through the sample concentration column, where said sample volume is greater than a calibration volume used to calibrate the analytical instrument.

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First Claim