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A rapid method for determining 89Sr and 90Sr by Cerenkov counting.

机译:用切伦科夫计数法快速测定89Sr和90Sr的方法。

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摘要

A new combination of simple preparation techniques for determining (89)Sr and (90)Sr in water and milk samples using alginate has been developed and tested. By means of Cerenkov counting without a long ingrowth period for (90)Y, results can be obtained within 4 days. The detection limit is about 1 Bq/l for a sample volume of 0.2l. Milk samples can be prepared without ashing. A Liquid Scintillation Counter TRI-Carb 3170TR/SL in low-level mode has been used for counting.
机译:已开发并测试了使用藻酸盐测定水和牛奶样品中的(89)Sr和(90)Sr的简单制备技术的新组合。通过没有长时间向内生长的(90)Y的切伦科夫计数,可以在4天内获得结果。对于0.2l的样品量,检测极限约为1 Bq / l。无需灰化即可制备牛奶样品。低液位液体闪烁计数器TRI-Carb 3170TR / SL已用于计数。

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