Final Comments

Analytical extraction (and sample preparation in general) has returned to its rightful place as an equally important part of the analytical method. There are many options available to achieve extraction, depending on the type and size of sample as well as other more practical considerations. The laboratory worker can choose from 100-year-old techniques that still provide excellent results, or instrumentalbased technologies that offer faster extractions on smaller samples.

The extraction step, as a distinct part of the analytical method, will retain its importance as long as chromatographic procedures are used for quantification. The objective of moving the analytes from the sample to the point of quantification will still be required. Future research is likely to focus on better ways of accomplishing this movement, resulting in reduced solvent usage and sample size, automation and online transfer of extracts to subsequent processing and quantification steps. But throughout these changes, it will be important to remember that, although the names may change, the chemistry will remain the same.

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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