The Brockmann & Schodder Activity Test

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A common way to validate and compare silica gels with the same particle size distribution is to perform a side-by-side chromatographic separation of a well understood sample mixture. However, for users who do not have access to a known and well characterized sample mixture, the Brockmann & Schodder test can be useful. This test was developed on aluminium oxide but, as mentioned by the authors, it can be adapted to silica.

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