Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

Protocols.io is an online platform designed for researchers to share their lab protocols and methodology as step-by-step instructions. Here, we share some of their latest protocols for preparing ...

In any chemical analysis, the most important step is sample preparation. The purity of the sample should be ensured before taking a measurement to obtain the optimum results when using any elemental ...

In a new article, researchers provide an overview of sample preparation techniques and information on routine sample types that may be encountered in forensic toxicology cases. As analytical ...

To produce high-quality cement, the mineralogical and chemical composition of raw materials, as well as of intermediate and finished products, needs to be determined. At each stage of the production ...