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 ...

Variety of tetrazole derivatives, including antihypertensive pharmaceutical agent Irbesartan, are produced using alkali metal azides (MeN 3). Azides or hydrazoic acids (HN 3) are extremely lethal when ...

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 ...