Daniel McDonald and Jack Gilbert (both University of California, San Diego; CA, USA) discuss the challenges faced during fecal sample collection and highlight important factors to consider when ...

Powder is a collection of single solid particles, which in most cases may be considered a basic unit. Powder is typically comprised of solid particles, interparticle voids, as well as open and closed ...

Sampling is one of the most important aspects of particle size analysis. If a biased sample is analyzed, a biased particle size distribution will be recorded. The requirement for good sampling not ...