The continuous measurement of any physical entity is the ﬁnest approach to see the real-time variation of any concen- tration. In the present study, an effort has been made to see the continuous variation of radon and thoron progeny concentration (EERC and EETC) using time-integrated ﬂow-mode sampler in which the deposition of progeny particles has been done in the ﬁlter paper in which an absorber has been mounted which speciﬁcally absorbs the alpha energies emitted by the progenies of radon or thoron. Also, the variation of thoron progeny concentration (EETC) using two different types of SSNTDs, LR-115 and CR-39, has been seen and it has been found that the measurement of EETC using both of the detectors is very much comparable with positive relationship (R = 0.89) between the results obtained. Keywords Continuous measurement Radon and thoron progeny concentration EERC and EETC SSNTD Introduction These progenies are solid in nature and exposed to mankind when inhaled (Field et al. 2000). The greatest Radon and thoron are the radioactive noble gases which fraction which is hazardous for mankind is due to the found in the nature by the disintegration of radium isotopes inhalation of short-lived progenies (UNSCEAR
Acta Geophysica – Springer Journals
Published: Jun 1, 2018
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