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 ...

Sample preparation is essential when employing chromatography for bioanalytical analysis as system performance will be negatively affected if it is not performed. Preparation methods include protein ...

Julie Young is an experienced financial writer and editor. She specializes in financial analysis in capital planning and investment management. Dr. JeFreda R. Brown is a financial consultant, ...

Sampling strategies and procedures are used to ensure that the largest amount of information about a contaminated area is obtained, while minimizing the sampling supplies and manpower required. EPA ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative and random sampling help ...

Per- and polyfluoroalkyl substances (PFAS) are synthetic chemicals that have been found in a variety of industrial and consumer products since the 1940s. PFAS contamination is a growing environmental ...

Sample dryers are used to remove liquids from a sample through techniques such as freeze drying, spray drying, and evaporation. Drying or dehydration is a mass transfer process that causes the removal ...