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| Description
| - The paper summarizes the results of radiological decontamination of several different types of indoor building surfaces,which were contaminated by radioactive suspension in two different contamination mixtures.The aim of the study was to develop techniques for application of the prepared contamination mixtures to various surfaces,which were then used for testing of selected decontamination solution.The experiments were carried out in the Mobile Laboratories,which were designed for decontamination procedures of NBC agents at The National Institute for NBC Protection in the Czech Republic.The radiological contamination was performed by the radionuclide La-140,which had been prepared by irradiation of isotopically natural lanthanum nitrate in 0.1M nitric acid solution in nuclear reactor in Research Centre Rez.Radiochemical purity of the final La-140 in nitrate solution was higher than 99 %.The isotopic carrier La(NO3)3 was added to the solution and then the lanthanum carbonate was precipitated by sodium carbonate or sodium hydrogen carbonate solutions.Using the precipitate,two contamination mixtures were prepared.The first one, lanthanum carbonate suspension in water,was applied onto the testing surface by spraying. The second contamination mixture was prepared of lanthanum carbonate mixed together with montmorillonite.In this case,the surface contamination was carried out mechanically using a special constructed mould.The surface activity of contamination and following decontamination levels were measured by hand held-survey meter Colibri TTC with SABG 15+ alpha/beta/gamma probe made by Canberra. In the decontamination experiments,various interior surfaces were tested to evaluate their suitability for decontamination together with selected decontamination solution. For decontamination tests,materials as plaster board covered with interior paints on the surface,glass,floor and wall tiles,plastic materials,anti-slip aluminium sheets and floating floor were used.
- The paper summarizes the results of radiological decontamination of several different types of indoor building surfaces,which were contaminated by radioactive suspension in two different contamination mixtures.The aim of the study was to develop techniques for application of the prepared contamination mixtures to various surfaces,which were then used for testing of selected decontamination solution.The experiments were carried out in the Mobile Laboratories,which were designed for decontamination procedures of NBC agents at The National Institute for NBC Protection in the Czech Republic.The radiological contamination was performed by the radionuclide La-140,which had been prepared by irradiation of isotopically natural lanthanum nitrate in 0.1M nitric acid solution in nuclear reactor in Research Centre Rez.Radiochemical purity of the final La-140 in nitrate solution was higher than 99 %.The isotopic carrier La(NO3)3 was added to the solution and then the lanthanum carbonate was precipitated by sodium carbonate or sodium hydrogen carbonate solutions.Using the precipitate,two contamination mixtures were prepared.The first one, lanthanum carbonate suspension in water,was applied onto the testing surface by spraying. The second contamination mixture was prepared of lanthanum carbonate mixed together with montmorillonite.In this case,the surface contamination was carried out mechanically using a special constructed mould.The surface activity of contamination and following decontamination levels were measured by hand held-survey meter Colibri TTC with SABG 15+ alpha/beta/gamma probe made by Canberra. In the decontamination experiments,various interior surfaces were tested to evaluate their suitability for decontamination together with selected decontamination solution. For decontamination tests,materials as plaster board covered with interior paints on the surface,glass,floor and wall tiles,plastic materials,anti-slip aluminium sheets and floating floor were used. (en)
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| Title
| - Radiological Decontamination of Indoor Building Surfaces
- Radiological Decontamination of Indoor Building Surfaces (en)
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| skos:prefLabel
| - Radiological Decontamination of Indoor Building Surfaces
- Radiological Decontamination of Indoor Building Surfaces (en)
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| skos:notation
| - RIV/70565813:_____/14:#0000350!RIV15-MV0-70565813
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/70565813:_____/14:#0000350
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - lanthanum - 140; radioactive decontamination; indoor surfaces; radiological decontamination (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Otáhal, Petr
- Němec, Mojmír
- Vošahlíková, Iva
|
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