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Title: Assembly and Use of Permanent Secondary Standards for Calibration of Infrared Spectrophotometer for Determination of Isotopic Purity of Nuclear Grade Heavy Water
Authors: Jain, S K
Mathur, N D
Pushpakaran, T K
Kumawat, P
Issue Date: Nov-1999
Publisher: NISCAIR-CSIR, India
Abstract: Infrared (IR) spectrophotometer like any other instrument fur quantitative or qualitative measurement of a property of a sample requires calibration or standardisation with respect to a set of samples of known values of the parameter. For heavy water application, standards made out of nuclear grade heavy water are to be used. Since heavy water is hygroscopic in nature, standards tend to get degraded with time and thus shelf-life of heavy water standards is limited. Therefore, a permanent set of secondary standards assembled using wire mesh or glass plate of known transmittance is found as a better alternative for analysing heavy water, especially on routine basis. The paper describes this methodology.
Page(s): 861-863
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.58(11) [November 1999]

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