ABSORPTION spectra of rare-earth ions have been increasingly studied over recent years because of their presentation of band and line absorption in the visible region. Much work has been carried ...

Based on the phenomenon, the method was established to determinate concentration of rutin. Ultraviolet-visible (UV-Vis) absorption spectrum was performed on a UV-2550 spectrophotometer (Shimadzu, ...

Absorption spectroscopy techniques are categorized based on the type of electromagnetic radiation used, such as ultraviolet (UV), visible (Vis), or infrared (IR) light. Each type provides specific ...

Absorbance measurements were performed in an UV-Vis spectrophotometer at wavelength 517 nm. Catechin and 3 mL of HPLC-grade methanol were used as controls. Solutions of the chloroform fraction were ...

Institute of Sustainability for Chemicals, Energy and Environment (ISCE 2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Singapore 627833, Republic of Singapore ...

Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States ...

The FCDO said: “There have been deaths and cases of serious illness caused by alcoholic drinks containing methanol. Methanol has been used in the manufacture of counterfeit replicas of well ...

British tourists are among those in hospital after allegedly being served alcoholic drinks poisoned with methanol in Laos. The Foreign Commonwealth and Development Office (FCDO) confirmed they ...

Focused on the cruise and ferry markets, BIO-UV Group has adapted its BIO-SEA ballast water treatment system to develop a new range of marine UV reactors designed for disinfecting swimming pools, hot ...