e-Article
A measurement control study for tritium gas
Document Type
Technical Report
Author
Source
Other Information: Portions of this document are illegible in microfiche products. Original copy available until stock is exhausted
Subject
Language
English
Abstract
To implement a program for measurement control of the site's tritium inventory, a study comparing pressure-volume-temperature-mass spectrometry (PVT/MS) and calorimetry methods of measuring tritium was conducted at Mound. Fifty bottles of tritium gas were measured by both PVT/MS and calorimetry methods, and the uncertainties of the two methods were calculated using propagation of error. It was found that PVT/MS measurements plus their uncertainties completely overlapped the calorimeter measurements plus their uncertainties. A new method for determining reasonable control limits for new PVT/MS systems was suggested based on the results of this study. This method was applied to the results of the study to prove its effectiveness. The new method will be easier to use than the previous ''theoretical'' method, while giving satisfactory results.