ASTM C1204
Standard Test Method for Uranium in Presence of Plutonium by Iron(II) Reduction in Phosphoric Acid Followed by Chromium(VI) Titration
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About This Item
ASTM C1204 is a technical test method for determining uranium in the presence of plutonium using iron(II) reduction in phosphoric acid followed by chromium(VI) titration. It is intended for controlled analytical work where accurate uranium measurement must account for plutonium interference. This makes the standard important for laboratories that need a defined, repeatable approach for chemical analysis, method consistency, and reliable result reporting in nuclear materials testing.
Overview of ASTM C1204
The standard titled Standard Test Method for Uranium in Presence of Plutonium by Iron(II) Reduction in Phosphoric Acid Followed by Chromium(VI) Titration describes an analytical procedure designed for uranium determination under challenging sample conditions. ASTM C1204 supports a specific titrimetric workflow in which the chemical environment and redox steps are controlled to help distinguish uranium from plutonium. As an ASTM standard, it provides a consistent reference for laboratories seeking a recognized test method for this measurement task.
Common use cases of ASTM C1204
This standard is commonly used in analytical laboratories handling nuclear materials where uranium must be measured in samples containing plutonium. It is relevant to quality control, materials evaluation, and compliance-oriented testing workflows that depend on a repeatable chemical method. ASTM C1204 may also be used when comparing results across facilities or validating an internal procedure against an established ASTM test method for uranium determination.
Benefits of using ASTM C1204
Using ASTM C1204 helps support consistent uranium analysis by providing a defined procedure for a specific interference scenario. That can improve confidence in test results, reduce variation between operators or laboratories, and support documentation for quality systems and procurement requirements. For organizations working with nuclear materials, the method offers a practical basis for technical review, method selection, and controlled performance assessment.
- Uranium determination in the presence of plutonium
- Iron(II) reduction in phosphoric acid
- Chromium(VI) titration finish
- Laboratory testing and method consistency
- Quality control and compliance support
- Publication Date: 2023-01-10
- Publisher: ASTM
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