ASTM C1267 is the standard test method for determining uranium by iron (II) reduction in phosphoric acid followed by chromium (VI) titration in the presence of vanadium. It provides a defined chemical procedure for measuring uranium with controlled redox steps, helping laboratories obtain consistent results when uranium content needs to be checked for technical or quality purposes. Because the method is narrowly defined, it supports repeatable analysis and clearer compliance with an ASTM standard.

Overview of ASTM C1267

The official title of ASTM C1267 indicates a laboratory test method centered on uranium determination using iron (II) reduction in phosphoric acid and a subsequent chromium (VI) titration, with vanadium present in the analysis. This suggests a carefully sequenced chemical procedure intended to support reliable measurement under controlled conditions. For users, the standard serves as a technical reference for performing the method consistently, documenting results, and aligning laboratory practice with an established ASTM standard.

Common use cases of ASTM C1267

This standard is commonly relevant in analytical laboratories that evaluate uranium content as part of material testing, process control, or quality verification. It may be used where a recognized chemical method is needed for uranium determination in the presence of vanadium, particularly in workflows that require titration-based analysis. ASTM C1267 can also support procurement, incoming inspection, or internal compliance programs that depend on standardized test methods for comparable results.

Benefits of using ASTM C1267

Using ASTM C1267 helps teams apply a recognized procedure rather than relying on ad hoc laboratory practices. That can improve consistency across analysts, reduce method ambiguity, and make results easier to compare for quality control or specification review. The standard also supports more confident technical decision-making when uranium measurements must be documented, verified, or audited. For organizations working with analytical testing, it can reduce risk and strengthen traceability in routine laboratory operations.

• Uranium determination by defined titration method
• Iron (II) reduction in phosphoric acid
• Chromium (VI) titration endpoint procedure
• Applicable where vanadium is present
• Supports consistent laboratory testing