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Thermal Analysis of Carbon Allotropes: An Experiment for Advanced Undergraduates

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D. M. Crumpton , R. A. Laitinen , J. Smieja and D. A. Cleary

Gonzaga University, Spokane, WA 99258

J. Chem. Educ., 1996, 73 (6), p 590

DOI: 10.1021/ed073p590

Publication Date (Web): June 1, 1996

Section:

History, Education, and Documentation

Abstract

Thermogravimetric analysis (TGA) was performed on graphite powder, diamond powder, and C60 powder. Each sample was subjected to heating (20-1000 oC) in a nitrogen and an oxygen environment. The graphite and diamond were stable in nitrogen up to 1000 oC. The C60 sublimed/decomposed above 775 oC. All three samples were unstable in an oxygen environment. The relative order of stability of the samples in oxygen at high temperatures was C60 < diamond < graphite. The isothermal behavior of C60 at 750 oC in a nitrogen atmosphere was also investigated. A final weight equal to 12% of the initial sample weight was observed.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Laboratory Instruction

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Carbon

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

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  Developments in the physical chemistry laboratory since the publication of the germinal text by Schwenz and Moore (1) are categorized and reviewed. The categories examined include modern instrumentation, current topics in chemistry, integrated ...
  Abstract | Hi-Res PDF | PDF w/ Links
Thermogravimetric Analysis of the Oxidation of Multiwalled Carbon Nanotubes: Evidence for the Role of Defect Sites in Carbon Nanotube Chemistry
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Nano Letters2002 2 (6), 615-619
- Thermogravimetric Analysis of the Oxidation of Multiwalled Carbon Nanotubes: Evidence for the Role of Defect Sites in Carbon Nanotube Chemistry
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  Thermogravimetric analysis (TGA) has demonstrated that multiwalled nanotubes (MWNTs) annealed at 2200 to 2800 C are more air stable than as-produced MWNTs, diamond, graphite, and annealed diamond. The annealed MWNTs are similar in stability to annealed ...
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