Ultraviolet light has many applications from disinfecting our hospitals, to killing pathogens in drinking water, even curing newly-applied nail polish, and. But how can we be sure it’s being used in ...

The efficient and accurate identification of total sulfur is an essential stage of quality and process control in refineries. The most dependable technique to identify this is through sample ...

Size-exclusion chromatography (SEC) has been the most typical method of measuring the molecular weight and molecular weight distributions of LMWHs by using the two most basic detection technologies: ...

Multi-detection size exclusion chromatography (SEC) is a combination of column chromatography and light scattering, ultra violet (UV), viscometer and refractive index (RI) detectors, making it a ...

Phototubes appeared about 100 years ago and were the first scientific devices to measure UV light. Exploiting the photoelectric effect, phototubes generally consist of a metallic or semiconductor ...