Low-Molecular-Weight Polystyrene Characterized by SEC-MALS
The ability of light scattering to perform absolute characterization of low molecular weight species is not widely known. This application note demonstrates that SEC-MALS readily ...Read more

Use of Agilent Poroshell HPH-C18 Columns at Elevated pH as a Tool for Method Development
Chromatographers can maximize flexibility in their method development and analysis by adjusting selectivity without sacrificing column lifetime. ...Read more

Rapid Perfluorinated Alkyl Acid Analysis by LC–MS/MS Increases Sample Throughput
Decrease analysis time for fluorochemicals with no sacrifice in chromatographic performance. ...Read more

Rapid In-Field Identification of Illicit Drug Substances
The misuse of drug substances creates the need to rapidly determine the type of chemical compounds present. Novel innovation and miniaturization of gas chromatography–mass ...Read more

Automated Multi-Cartridge Solid-Phase Extraction of Phosphorus Containing Pesticides in Drinking Water
Analytically, OPPs can pose some challenges due to the wide diversity of physical structures and behavioral characteristics of individual analytes. This often results in individual ...Read more

Extraction of Vitamin B7 (Biotin) from Serum
This method achieves high reproducible extraction recoveries of vitamin B7 from serum while minimizing co-extractable material in the form of proteins, lipids, and phospholipids. Serum ...Read more

Determination of Pesticides in Coffee with QuEChERS Extraction and SPE Cleanup
Coffee is one of the most widely consumed beverages in the world, partly because of the stimulating effect of its caffeine content. This application details ...Read more