The preparation of standards, also referred to as reference samples, of known concentrations is a frequently used procedure in most analytical laboratories. Internal or external standards with ...

In this module, a whole range of sample preparation techniques for HPLC and LC-MS are covered in detail, including the theory, optimisation and applications. The techniques include filtration; ...

Porvair Sciences has announced a new version of its MiniVap™ Blowdown Evaporator able to quickly and safely remove solvent from up to 48 vials in parallel. Made from solvent resistant black ...

HPLC Techniques for Rapid Analysis According to Curtis Campbell, liquid chromatography product manager for Shimadzu (www.shimadzu.com), injection of plasma samples directly into a liquid ...

Sample quality directly influences the reliability of an experiment. Researchers executing high pressure liquid chromatography (HPLC) experiments must incorporate standardized weighing scales, ...

In the past few years, high-performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) has matured to a true alternative to antibody-based immunoassays in routine therapeutic drug ...

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Laboratory testing found that a novel approach reduced the time required for sample preparation from hours to minutes. This article summarizes test methods and results. Questions often arise about the ...