The General Elution Problem

A typical chromatogram for the separation of a mixture of components is shown in Figure 1. This illustrates the characteristics of chromatography, often referred to as the 'general elution problem'. The properties illustrated by the chromatogram, which must be explained by any theory of chromatography, are:

• the components of the mixture elute from the column at different times (retention);

• peak widths increase with retention time (peak shape and broadening);

• the separation of pairs of peaks is not constant (column resolution).

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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