Use of a Titanium Metallocene as a Colorimetric Indicator for Learning Inert Atmosphere Techniques

Sharon J. Nieter Burgmayer
Bryn Mawr College, Department of Chemistry, Bryn Mawr, PA 19010-2899
J. Chem. Educ., 1998, 75 (4), p 460
DOI: 10.1021/ed075p460
Publication Date (Web): April 1, 1998

Abstract

A method is described to aid the instruction of undergraduate and graduate students in inert atmosphere techniques. A highly oxygen-sensitive organometallic compound, a titanium metallocene, changes color form blue to yellow when exposed to dioxygen contaminant, thereby providing an easily visualized monitor for students learning to manipulate the special glassware and operations typical of inert atmosphere reactions.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Inorganic Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Organometallics

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History

  • Received: August 03, 2009

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