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ASTM-E2311:2021 Edition

ASTM-E2311:2021 Edition

$48.75

E2311-04(2021) Standard Practice for QCM Measurement of Spacecraft Molecular Contamination in Space

Published By Publication Date Number of Pages
ASTM 2021
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ASTM E2311-04-Reapproved2021

Active Standard: Standard Practice for QCM Measurement of Spacecraft Molecular Contamination in Space

ASTM E2311

Scope

1.1 This practice provides guidance for making decisions concerning the use of a quartz crystal microbalance (QCM) and a thermoelectrically cooled quartz crystal microbalance (TQCM) in space where contamination problems on spacecraft are likely to exist. Careful adherence to this document should ensure adequate measurement of condensation of molecular constituents that are commonly termed “contamination” on spacecraft surfaces.

1.2 A corollary purpose is to provide choices among the flight-qualified QCMs now existing to meet specific needs.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

contamination measurement; molecular contamination; outgassing; outgassing rates; quartz crystal microbalance; spacecraft contamination; temperature controlled quartz crystal microbalance;

ICS Code

ICS Number Code 71.040.99 (Other standards related to analytical chemistry)

DOI: 10.1520/E2311-04R21

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