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<p>This document specifies the determination of radium-226 (<sup>226</sup>Ra) and radium-228 (<sup>228</sup>Ra) activity concentrations in drinking water samples by chemical separation of radium and its measurement using liquid scintillation counting.</p>
<p>Massic activity concentrations of <sup>226</sup>Ra and <sup>228</sup>Ra which can be measured by this test method utilizing currently available liquid scintillation counters go down to 0,01 Bq/kg for <sup>226</sup>Ra and 0,06 Bq/kg for <sup>228</sup>Ra for a 0,5 kg sample mass and a 1 h counting time in a low background liquid scintillation counter<sup>[8]</sup>.</p>
<p>The test method can be used for the fast detection of contamination of drinking water by radium in emergency situations.</p>
Reģistrācijas numurs (WIID)
93925
Darbības sfēra
<p>This document specifies the determination of radium-226 (<sup>226</sup>Ra) and radium-228 (<sup>228</sup>Ra) activity concentrations in drinking water samples by chemical separation of radium and its measurement using liquid scintillation counting.</p>
<p>Massic activity concentrations of <sup>226</sup>Ra and <sup>228</sup>Ra which can be measured by this test method utilizing currently available liquid scintillation counters go down to 0,01 Bq/kg for <sup>226</sup>Ra and 0,06 Bq/kg for <sup>228</sup>Ra for a 0,5 kg sample mass and a 1 h counting time in a low background liquid scintillation counter<sup>[8]</sup>.</p>
<p>The test method can be used for the fast detection of contamination of drinking water by radium in emergency situations.</p>
