1410, 2016
Solid Phase Extraction (SPE)
Introduction of SPE Solid-phase extraction (SPE) is a sample preparation process by which compounds that are dissolved or suspended in a liquid mixture are separated from other compounds in the mixture according to their physical and chemical properties. Analytical laboratories use solid phase extraction to concentrate and purify [...]
1110, 2016
NIST Traceable Particle Size Standards
Application 1. Size standard particles have long been used as size references to estimate the sizes of other particulates, biomolecules, and living organisms. 2. Particle size standards can also be utilized to conduct routine instrument calibration,development and testing of particle sizers, particle counters 3. Instrument QC: check for [...]