A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...

Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test ...

In this protocol, the sample (which could be a bulk or heterogeneous fluid, or a greasy surface) is treated with a neutral desorption (ND) sampling gas beam, and the resulting analyte mixtures are ...

Sampling of water systems for Legionella, Pseudomonas aeruginosa or bacteriological can be somewhat daunting, with thoughts of "do I need to sample," "how to take a sample" and "where should I send ...

To take care of issues relating to corrosion and surface activity, special alloys or surface treatments are used. SilcoTek offers surface treatments to resolve issues with reactivity and corrosion ...

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 ...