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Development of the Second Generation International Space Station (ISS) Total Organic Carbon Analyzer (TOCA)

Journal Article
2009-01-2393
ISSN: 1946-3855, e-ISSN: 1946-3901
DOI: https://doi.org/10.4271/2009-01-2393
Published July 12, 2009 by SAE International in United States
Development of the Second Generation International Space Station (ISS) Total Organic Carbon Analyzer (TOCA)
Sector:
Citation: Clements, A., Stinson, R., Wie, M., and Warren, E., "Development of the Second Generation International Space Station (ISS) Total Organic Carbon Analyzer (TOCA)," SAE Int. J. Aerosp. 4(1):219-226, 2011, https://doi.org/10.4271/2009-01-2393.
Language: English

Abstract:

The second generation International Space Station (ISS) Total Organic Carbon Analyzer's (TOCA) function is to monitor concentrations of Total Organic Carbon (TOC) in ISS water samples. TOC is one measurement that provides a general indication of overall water quality by indicating the potential presence of hazardous chemicals. The data generated from the TOCA is used as a hazard control to assess the quality of the reclaimed and stored water supplies on-orbit and their suitability for crew consumption. This paper details the unique ISS Program requirements, the design of the ISS TOCA, and a brief description of the on-orbit concept-of-operations. The TOCA schematic will be discussed in detail along with specific information regarding key components.

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