Theory of Thin Layer Planar Chromatography

Halpaap are effectively comparable to those obtained by HPLC. To compare geometrically different systems, reduced or dimensionless parameters must be used: h = H/dp, the reduced HETP in which H is the observed HETP and dp the particle diameter. As often no improvement in separation efficiency is observed with HPTLC plates, it is worth reconsidering all the parameters involved in efficiency. Extensive work has been carried out on liquid column chromatography and a proper use of the technique has been defined. The purpose of this article is to consider what is possible or not, which plates are to be used and how to shorten analysis time.

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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