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 ...

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

Sample preparation is essential when employing chromatography for bioanalytical analysis as system performance will be negatively affected if it is not performed. Preparation methods include protein ...

What are the major technical and analytical challenges associated with the separation of glucagon-like peptide-1 (GLP-1) impurities using high performance liquid chromatography/ultrahigh-pressure ...

The column's proprietary phase allows effective separation of anionic and cationic pesticides using a single column, fast conditioning, and delivers robust analysis. The Luna Polar Pesticides HPLC ...

The column's proprietary phase allows effective separation of anionic and cationic pesticides using a single column, fast conditioning, and delivers robust analysis. TORRANCE, Calif., July 20, 2023 ...