APU sim - The Clever Sample Preparation System According to Column MethodStandardized sample preparation is essential to ensure a time-saving, easy-to-use workflow. In AOX, AOF, and EOF analysis in particular, there are many obstacles that can distort the analysis results. This is where APU sim from Analytik Jena comes into play. Sample volume, rinse volume, and even the adsorption rate can be selected separately for each channel as required. The APU sim leaves nothing to be desired in terms of flexibility – simply adapt the sample preparation to your needs.