Detectors General Flame Ionization Detectors and Thermal Conductivity Detectors

action. By their very nature, ionizing detectors are destructive and the sample is not available for additional analysis. On the other hand, nonionizing detectors do not destroy the sample. Thus, two detectors may be set up in series, with the sample first encountering the nonionizing detector, and then directed to the ionizing detector. Of all the detectors available for use following separation by GC, the FID and the TCD are the leading examples of each of these types. These general-purpose detectors are in wide use following both packed column and capillary separations.

The material which follows is directed mainly to applications after capillary column separation, although some reference to packed columns is necessary in order to complete the discussion. Further details regarding packed column applications can be found by consulting the Further Reading section.

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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