Sampling is often used in evaluation as an economical and efficient means of estimating population parameters. Among the approaches to sampling traditionally used, few provide the apparent flexibility ...

A recent article explained the role of Gas Chromatography-Mass Spectrometry (GC/MS) in the analytics laboratory. The current article focuses on reviewing the technology used for preparing volatile ...

Solid-phase extraction has several advantages over liquid/liquid extraction for extractables and leachables studies. An extractable/leachable (E/L) study is routinely performed on the materials ...

Procedures for testing for active COVID-19 infection currently rely on obtaining swab samples from a patient’s nose or throat, or sputum. Difficulties obtaining these samples can lead to questions ...