Development of reliable and fast methods for detecting and monitoring chemical composition of nuclear materials or related processing streams can facilitate maintenance of proper safeguards, ensure safe and efficient processing of materials, and support better informed decisions on environmental impacts. Optical spectroscopy-based approaches have the benefits of providing fast response while utilizing mature technology that is robust enough to withstand field applications. Furthermore, optical spectroscopy can be flexibly paired with complementary techniques to provide high fidelity analysis of multi-component samples that would otherwise be costly and time consuming to analyze. Combining optical spectroscopy with electrochemistry, or spectroelectrochemistry, can allow for the development of sensors that display high selectivity for target analytes. This enables accurate analysis despite optical interferences and can be further modified to enable detection of species with limited optical activity. Optical spectroscopy can also be paired with chemometric analysis, a multivariate form of analysis, to provide real-time analysis of process streams during processing operations. This talk will cover the applications of optical spectroscopy to sensor development and on-line monitoring to support needs within the field of nuclear energy.

On-line monitoring and sensor development: Supporting the future of nuclear energy

ACS Spring Meeting 2021

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