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Page 1
Examination of the parameters affecting of (222)Rn emanation for some industrial and environmental samples using gamma-spectroscopy.
Hilal MA, Attallah MF, Mansy MS, El Afifi EM. Hilal MA, et al. Appl Radiat Isot. 2022 Aug;186:110272. doi: 10.1016/j.apradiso.2022.110272. Epub 2022 May 6. Appl Radiat Isot. 2022. PMID: 35567935
Moreover, the assessment of the hazard indices is given in terms of radium equivalent (Ra(eq)), external hazard index (H(ex)), internal hazard index (H(in)), gamma-activity index (I(gamma)) and alpha-activity index (I(alpha)). The second section deliberates the (222 …
Moreover, the assessment of the hazard indices is given in terms of radium equivalent (Ra(eq)), external hazard index (H(ex)), intern …
Optimized measurement of radium-226 concentration in liquid samples with radon-222 emanation.
Perrier F, Aupiais J, Girault F, Przylibski TA, Bouquerel H. Perrier F, et al. J Environ Radioact. 2016 Jun;157:52-9. doi: 10.1016/j.jenvrad.2016.03.006. Epub 2016 Mar 19. J Environ Radioact. 2016. PMID: 26998570
Measuring radium-226 concentration in liquid samples using radon-222 emanation remains competitive with techniques such as liquid scintillation, alpha or mass spectrometry. ...
Measuring radium-226 concentration in liquid samples using radon-222 emanation remains competitive with techniques such …
Radon emanation from human hair.
Girault F, Perrier F. Girault F, et al. Sci Total Environ. 2019 Apr 10;660:421-428. doi: 10.1016/j.scitotenv.2018.12.429. Epub 2018 Dec 29. Sci Total Environ. 2019. PMID: 30640110
Radon emission depends on radium concentration (C(Ra)) and probability of decaying radium to liberate radon (i.e., the emanation coefficient E). The radon-222 emanating power (i.e., radon emanation or effective radium-226 concentration, E …
Radon emission depends on radium concentration (C(Ra)) and probability of decaying radium to liberate radon (i.e., the eman …
Radon-in-water standard.
Havelka M. Havelka M. Appl Radiat Isot. 2009 May;67(5):860-2. doi: 10.1016/j.apradiso.2009.01.047. Epub 2009 Jan 24. Appl Radiat Isot. 2009. PMID: 19243964
The radon-in-water standard installed at the Czech Metrology Institute in 1994 is based on a generator producing radium-free radon solution and on a measurement system for generator calibration and stability checking. The generator consists of about 6L cylindrical vessel w …
The radon-in-water standard installed at the Czech Metrology Institute in 1994 is based on a generator producing radium-free radon so …
Measurement of radium and radon in water using a combination technique of radon-emanation and pair-measurements methods.
Lee KY, Ko KS. Lee KY, et al. Appl Radiat Isot. 2021 Dec;178:109950. doi: 10.1016/j.apradiso.2021.109950. Epub 2021 Sep 14. Appl Radiat Isot. 2021. PMID: 34563897
Since (222)Rn is continuously generated by the decay of (226)Ra, it is difficult to analyze (222)Rn in water containing (226)Ra. ...A combination technique of radon-emanation and pair-measurement was tested to analyze (226)Ra and (222)Rn in water. (226 …
Since (222)Rn is continuously generated by the decay of (226)Ra, it is difficult to analyze (222)Rn in water containing (226)R …
Determination of 226Ra at low levels in environmental, urine, and human bone samples and 223Ra in bone biopsy using alpha-spectrometry and metrological traceability to 229Th/225Ra or 226Ra.
Straub M, Pittet PA, Amzalag G, Bochud F, Baechler S, Froidevaux P. Straub M, et al. Anal Chim Acta. 2018 Nov 15;1031:178-184. doi: 10.1016/j.aca.2018.05.007. Epub 2018 May 4. Anal Chim Acta. 2018. PMID: 30119737
In Switzerland, (226)Ra is currently a radioactive inheritance problem from the watch industry. Furthermore, (223)Ra is a radium isotope used in nuclear medicine to treat bone metastasis. There exist several methods to measure radium using alpha or gamma spec …
In Switzerland, (226)Ra is currently a radioactive inheritance problem from the watch industry. Furthermore, (223)Ra is a radium i …
Detailed effects of particle size and surface area on (222)Rn emanation of a phosphate rock.
Haquin G, Yungrais Z, Ilzycer D, Zafrir H, Weisbrod N. Haquin G, et al. J Environ Radioact. 2017 Dec;180:77-81. doi: 10.1016/j.jenvrad.2017.10.004. J Environ Radioact. 2017. PMID: 29040898
The dependency of radon emanation on soil texture was investigated using the closed chamber method. ...This was most likely due to an increase in the embedding effect of radon atoms in adjacent grains separated by micropores. Results indicate that knowledge of grain rad …
The dependency of radon emanation on soil texture was investigated using the closed chamber method. ...This was most likely due to an …
Radon emanation fractions from concretes containing fly ash and metakaolin.
Taylor-Lange SC, Juenger MC, Siegel JA. Taylor-Lange SC, et al. Sci Total Environ. 2014 Jan 1;466-467:1060-5. doi: 10.1016/j.scitotenv.2013.08.005. Epub 2013 Sep 4. Sci Total Environ. 2014. PMID: 24013016
The results from this study show that, on average, fly ash constituents possessed radium specific activities ranging from 100 Bq/kg to 200 Bq/kg and emanation fractions ranging from 1.1% to 2.5%. ...On average, the metakaolin constituents contained radium spe …
The results from this study show that, on average, fly ash constituents possessed radium specific activities ranging from 100 Bq/kg t …
A numerical model for the prediction of radon flux from uranium mill tailings at Jaduguda, India.
Rana D, Jha V, Patnaik R, Singh MK, Jha SK, Kulkarni MS. Rana D, et al. Environ Sci Pollut Res Int. 2024 Apr;31(17):24951-24960. doi: 10.1007/s11356-024-32674-7. Epub 2024 Mar 9. Environ Sci Pollut Res Int. 2024. PMID: 38460038
Solid process fine waste or tailings of a uranium mill is a potential source of release of radiologically significant gaseous radon ((222)Rn). A number of variables such as radium ((226)Ra) content, porosity, moisture content, and tailings density can affect the ext …
Solid process fine waste or tailings of a uranium mill is a potential source of release of radiologically significant gaseous radon ((222 …
STUDY OF THE INFLUENCE OF SOIL MOISTURE AND GRAIN SIZE ON RADON EMANATION FROM SOIL USING AN ADVANCED MULTIGRAIN MODEL.
Eckertová T, Böhm R, Holý K. Eckertová T, et al. Radiat Prot Dosimetry. 2022 Aug 22;198(9-11):778-784. doi: 10.1093/rpd/ncac142. Radiat Prot Dosimetry. 2022. PMID: 36005959
Among the most important factors that influence radon emanation from soil particles is the soil moisture and grain size. Both components, in its own way, modify the length of a trajectory that radon atom pass through in a volume of the soil pores. To better understand thei …
Among the most important factors that influence radon emanation from soil particles is the soil moisture and grain size. Both compone …
26 results