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Thursday, August 11, 2011

Chromatography Standards Certificates 

Standards are as important in chromatography as columns, mobile phases, injectors and detectors.1 There's hardly an analytical laboratory to be found that does not stress the need for the certification of all components involved in an analysis. Quite remarkably though, standards are not always thought of as being an essential part of a certified analysis because many analysts prepare their own standards, while the other attributes are almost always purchased ready-made from a certified supplier. And while instrumental errors are often indicated by the instruments themselves and small deviations from the settings of, for example, temperature and pressure do not in most cases affect the results in a serious way, the user cannot equally easily recognize problems with the standards.
LCGC Europe, Mar 1, 2010


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