ASTM C1909
Standard Test Method for Moisture Analysis of Plutonium Dioxide (PuO2) by Thermogravimetric Mass Spectrometry (TGA-MS)
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About This Item
ASTM C1909 is the standard for moisture analysis of plutonium dioxide (PuO2) by thermogravimetric mass spectrometry (TGA-MS). It provides a technical basis for measuring moisture in this material using a combined thermal and mass spectrometric approach, helping laboratories apply a consistent test method. This matters because moisture content can affect material evaluation, handling decisions, and quality control for PuO2. For organizations working with this material, the standard supports more reliable and comparable test results.
ASTM C1909 standard overview
The ASTM C1909 standard defines a test method focused on determining moisture in plutonium dioxide with TGA-MS. The thermogravimetric portion tracks mass change during controlled heating, while mass spectrometry supports identification of released species associated with moisture. As an ASTM standard, it is intended to give users a consistent framework for laboratory testing and result interpretation. That makes it useful when repeatable analytical performance and clear method alignment are needed for PuO2 moisture analysis.
Where is ASTM C1909 used?
This standard is typically used in laboratory settings that analyze plutonium dioxide and need a controlled method for moisture measurement. It is relevant to analytical workflows that combine thermal analysis equipment with mass spectrometric detection. ASTM C1909 may be used in quality control, material characterization, or technical evaluation where PuO2 test results must be documented consistently. It is most applicable where the moisture content of this specific material is a meaningful parameter for decision-making.
Practical importance of ASTM C1909
In practice, ASTM C1909 helps reduce uncertainty by giving laboratories a recognized method for moisture analysis. That supports more consistent testing, easier comparison of results, and clearer compliance-oriented documentation. For procurement, evaluation, or internal review, a defined ASTM standard can also improve confidence in how the test was performed. Using a common method may help limit variation between labs and strengthen overall quality control for plutonium dioxide analysis.
- Moisture analysis for PuO2
- Thermogravimetric mass spectrometry method
- Laboratory consistency and repeatability
- Quality control and reporting support
- Publication Date: 2021-07-27
- Publisher: ASTM
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