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Calorimetry offers several advantages over other measurement techniques for tritium accounting. For this reason a calorimeter specifically designed for accepting the portable tritium getters utilised in the European Tritium Handling Experimental Laboratory (ETHEL) was acquired. This paper discusses the general construction of the ETHEL tritium calorimeter, and the initial performance tests using various types of heat source. The tests have shown that power measurements over a large range can be rapidly undertaken with accuracies equal or surpassing those of more conventional techniques. On this basis, it is envisaged that the calorimeter will employed as the laboratory's primary tritium assay device.

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Authors: THORNTON M I, JRC Ispra (IT);VASSALLO G, JRC Ispra (IT);MILLER J, AECL Research, Chalk River (CA);MASON J A, A N TechnologyLtd, Ascot (GB)
Bibliographic Reference: Article: Nuclear Instruments and Methods in Physics Research A, Vol. 363 (1995) No. 3, pp. 598-603
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