Stationary Phase

An advantage of LC over gas chromatography is in the variety of types of stationary and mobile phases which may be used, allowing the separation of such diverse molecular species as pharmaceuticals, agro-chemicals, proteins, inorganic and organic ions and biopolymers. The use of a stationary phase with a liquid coated physically onto an inert solid support (partition chromatography) has been superseded by the use of a liquid chemically bonded on to the solid support (bonded-phase chromatography). Ideally, the support does not contribute to the separation process, but its particle size and surface properties have a profound effect on the efficiency of the process.

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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