Provision of Instrument to Determine UF3 and UF4 Ratio in Molten Uranic Fuel Salt Matrices

Published

7 November 2025

Estimated value

£150,000

Place of performance

UK

Lots

1

Notice number

071860-2025

Reference

ocds-h6vhtk-05d2b2

Official source

Official source

CPV codes

• 09340000Nuclear fuels
• 38940000Nuclear evaluation instruments
• 42151000Nuclear reactors
• 71621000Technical analysis or consultancy services

Description

UKNNL is in collaboration with Westinghouse on Springfields Fuels (SFL) site in the development and substantiation of a commercial scale process for the manufacture of fuel salt for the Integral Molten Salt Reactor (IMSR) for a client. As part of the customer requirements, the fuel salt material must be provided to a set specification. UKNNL are seeking support to develop a proven methodology and instrument for measurement of the UF3/UF4 ratio that could then be utilised by UKNNL staff for the purposes of supporting the delivery of the fuel salt product to the client.

Official publications

• FTS · 071860-2025 · 7 November 2025

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Frequently asked questions

What is the estimated value of this tender?

The estimated value published by the buyer is £150,000.

Who is the buyer of this tender?

The contracting authority is United Kingdom National Nuclear Laboratory (United Kingdom).

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