Thermoluminescence dosimetric characteristics of beta irradiated salt

The thermoluminescence (TL) characteristics of sodium chloride (NaCl), known as common salt, used for cooking purposes (iodised salt), have been studied in the present paper considering its usage as an ‘accidental dosemeter’ in the case of a nuclear fallout. TL characteristics of common salt have be...

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Bibliographic Details
Published in:Radiation protection dosimetry 2006-09, Vol.119 (1-4), p.350-352
Main Authors: Murthy, K. V. R., Pallavi, S. P., Rahul, G., Patel, Y. S., Sai Prasad, A. S., Elangovan, D.
Format: Article
Language:English
Subjects:
Beta Particles
Dose-Response Relationship, Radiation
Equipment Design
Equipment Failure Analysis
Materials Testing
Radiation Dosage
Sodium Chloride - chemistry
Sodium Chloride - radiation effects
Thermoluminescent Dosimetry - instrumentation
Thermoluminescent Dosimetry - methods
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Summary:The thermoluminescence (TL) characteristics of sodium chloride (NaCl), known as common salt, used for cooking purposes (iodised salt), have been studied in the present paper considering its usage as an ‘accidental dosemeter’ in the case of a nuclear fallout. TL characteristics of common salt have been examined under excitation with a beta dose of 20 Gy from a 90Sr beta source. The salt specimens are used in the form of discs. The average salt grain that sticks to the disc is measured to be ∼1 mg. The TL of the beta irradiated salt is recorded in the conventional TL apparatus. Initially three peaks were observed at 133, 205 and 238°C. All three peaks are well resolved, having maximum intensity at 238°C. The material under investigation, i.e. ‘common salt’ possesses many good dosimetric properties and therefore this can be considered as an ‘accidental dosemeter’.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/nci568