Preparative Thin Layer Planar Chromatography

Figure 1 The principal factors affecting preparative layer chromatography.

used, migration of the mobile phase is also promoted either by application of external pressure (overpres-sured layer chromatography (OPLC)) or by use of centrifugal force (rotation planar chromatography (RPC)). (For more information see the previous entry Modes of development: Forced flow, OPLC and centrifugal.) The enhanced efficiency obtained by use of the optimum mobile phase velocity is independent of layer thickness and of the type of forced flow applied.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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