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Automatic versus manual (interactive) data evaluation in GPC-SEC analysis

Abstract: It is widely accepted among polymer analysts that the data acquisition part of the analysis can be automated with modern, state-of-the-art GPC hardware without any loss of accuracy and precision. Regarding data evaluation there is still some discussion on whether automatic or interactive baseline setting should be used. In this note we have analyzed a technical polystyrene sample 10 times with interactive and another 10 times with fully automatic data evaluation.

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