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How do you purify your sample using liquid chromatography? Depending upon the nature of your sample and the purity required there are several options available ranging from basic flash chromatography to mass directed preparative HPLC.

Preparative HPLC or prep LC is often used as a final step to refine a raw material following synthesis or extraction from a natural product.  Choosing the correct prep LC column is often Dependent upon previous work or a previously developed analytical method.  You may be looking for basic glass column chromatography supplies, automated flash chromatography or high performance preparative HPLC. 

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