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Year : 2010  |  Volume : 33  |  Issue : 3  |  Page : 112-115

Comparative evaluation of chromatographic resin and the conventional radiochemical separation techniques for 89,90 Sr in milk

1 Environmental Survey Laboratory, TAPS Colony, TAP (Post), Thane (Dt.), India
2 Health Physics Division, Bhabha Atomic Research Centre, Trombay, India

Correspondence Address:
D D Rao
Environmental Survey Laboratory, TAPS Colony, TAP (Post), Thane (Dt.)
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Source of Support: None, Conflict of Interest: None

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The use of extraction chromatography resin for the separation of Sr from Ca, Ba and Y in milk powder samples was studied. The effectiveness of chromatographic column in terms of it's repeated use and memory effect has been established. 39 milk powder samples were analyzed for separating Sr isotopes. The average recovery obtained with Sr-Spec resin was 79.4 with standard deviation of 5.6 and with nitrate separation method, the parameters were 68.2 and 9.4 respectively. Sr-Spec resin was found to be better than conventional nitrate method for parameters like radiochemical recovery and precision.

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