Jena glass

Description

1) An early heat and shock resistant glass developed in 1884 by German glass chemist Friedrich Otto Schott. Jena glass contained sodium-magnesium-zinc-aluminum borosilicates. It was used for chemical glassware, thermometers, and other uses.

2) Currently, a Jena glass, also called Jena blue, is made from a mixture of cobalt oxide and ceric oxide. It has a deep blue color and fluoresces in ultraviolet light.

Synonyms and Related Terms

Jena blue; Jenaer Glas (Deut.)

Sources Checked for Data in Record

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 365

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985

• Encyclopedia Britannica, http://www.britannica.com Comment: "Jena Glass." Encyclopædia Britannica. 1 Sept. 2004 .