Authors:
Chhavi Agarwal Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085 India

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P. Kalsi Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085 India

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D. Prabhu Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085 India

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P. Pathak Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085 India

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V. Manchanda Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085 India

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Abstract  

The estimation of low level alpha activity is difficult in waste samples containing large concentration of salts and beta–gamma activity. In the present study, the feasibility of gross alpha-activity measurement for simulated high level waste (SHLW) in solution medium by alpha-track registration technique has been attempted. The results showed that it is possible to use this technique for gross alpha-activity estimation of ~200 Bq/mL in solution medium with a precision and accuracy of ~30%. The importance of measuring 200 Bq/mL alpha activity in SHLW solutions is that this value corresponds to about 4,000 Bq/g activity in the solid medium which is the safe disposable limit. The advantage of this method over other methods is that it is not sensitive to beta–gamma emitters and salts and is very simple and inexpensive.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)