ASTM C1855
Standard Test Method for Determination of Uranium and Plutonium Concentration in Aqueous Solutions Using Hybrid K-Edge Densitometry and X-Ray Fluorescence
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About This Item
ASTM C1855 is the ASTM standard for determining uranium and plutonium concentration in aqueous solutions using hybrid K-edge densitometry and X-ray fluorescence. It provides a structured test method for measuring these actinides in liquid samples with analytical techniques designed for solution-based materials. For laboratories, nuclear material control teams, and quality-focused operations, this standard helps support consistent measurement practices and more reliable concentration data where precision and traceability matter.
Overview of ASTM C1855
This standard describes a test method centered on hybrid K-edge densitometry combined with X-ray fluorescence for evaluating uranium and plutonium concentration in aqueous solutions. As a technical document, ASTM C1855 is intended to guide measurement of specific nuclear materials in liquid form using instrumental analysis. Its value lies in defining a recognized approach that can support repeatable testing, comparison of results, and better control of analytical procedures used for solution assays and related verification work.
Common use cases of ASTM C1855
ASTM C1855 is commonly used when laboratories need to measure uranium or plutonium concentration in aqueous process or reference solutions. It is relevant in analytical workflows that depend on instrumental methods for solution characterization, including testing tied to material accountability, verification, or quality control. The standard may also be used when comparing results between facilities or when establishing a consistent method for evaluating liquid samples containing these elements.
Benefits of using ASTM C1855
Using ASTM C1855 can help improve consistency in how uranium and plutonium concentrations are measured in aqueous solutions. A recognized ASTM standard supports clearer procurement and testing requirements, more defensible data reporting, and reduced ambiguity in method selection. It may also help laboratories align internal procedures with an accepted technical framework, which can support quality assurance, compliance efforts, and lower risk in analytical decision-making.
- Hybrid K-edge densitometry and X-ray fluorescence method
- Focused on uranium and plutonium in aqueous solutions
- Supports analytical consistency and repeatability
- Useful for laboratory and quality control workflows
- Helps standardize concentration measurements
- Publication Date: 2018-11-29
- Publisher: ASTM
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