Wakopak® Wakosil®-II Prep series is a preparative column series using high-purity silica gel packing agents with low metal content, ideal for the preparative analysis of analytes that are affected by metal impurities.
For reverse phase chromatography HPLC columns, the same lineup as the Wakopak® Wakosil®-II HG, AR, and RS series with analytical validation support is available as the Wakopak® Wakosil®-II 5C18 Prep series.
For normal phase chromatography HPLC columns, the same lineup as the Wakopak® Wakosil® SIL series using high-purity silica gel is available as the Wakopak® Wakosil®-II 5SIL Prep.