Uviol glass
Uviol glass is a type of glass with a high proportion of barium phosphate and chromium dioxide . It is permeable to ultraviolet rays up to 250 nm. It was invented by Eberhard Zschimmer (1873–1940) and manufactured by Schott AG in Jena . Uviol glass is used for light therapy in greenhouses and sanatoriums, among other things . It is still used in the lenses of astrophysical instruments.
Uviol is an artificial word made up of the parts Uv , the common abbreviation for ultraviolet radiation, the supplementary syllable viol , which is also taken from the word ultraviolet, and glass .
Individual evidence
- ↑ E. Zschimmer: About new types of glass with increased ultraviolet permeability. In: Zeitschr. f. Instrumentenkunde, 23, 360, 1903. Full text (accessed September 15, 2011)
- ↑ Uviōlglas in Meyers Great Conversational Lexicon 19, band Leipzig 1909, S. 984th