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Extractive Gas Cell

An extractive cell can be used to take species samples out of the process flow to be analyzed in a separate cell.  Various designs for the cells are available from simple single pass, dual pass and, multi-pass extractive cells which can greatly increase the path length and sensitively of the measurement.  A sample is extracted from the process flow and passed through the extractive cell.  The optical elements and detector are mounted on the cell itself.  The call may be heated and include pressure control as required by the application.

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