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Sorption of iodide on the surface of modified clinoptilolite

100%

Chmielewska-Horvathova E., Lesny J.

Polish Journal of Environmental Studies

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1996

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tom 05

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nr 2

The possibility of using the monoionic Ag+ - form of clinoptilolite of domestic origin for radioactive iodide separation from waters has heen studied. The capacity of the silver form of clinoptilolite towards iodide exceeds many times that of the capacity of clinoptilolite in natural form. Due to low solubility the product Agl iodides generate precipitates on the surface of zeolite. SEM and rtg analyses of the silver form of clinoptilolite after sorption of iodide demonstrate the formation of new crystals on the zeolite surface. In comparison to the origin clinoptilolite sample, TG - analyses show that maximum water release occurs earlier. Sorption of iodide on the silver form of clinoptilolite was described as a second order reaction. The influence of interfering anions on the adsorption capacity of silver clinoptilolite towards iodide was also investigated.

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Oznaczanie jodkow w solach - walidacja metod

80%

Drobnik M., Latour T.

Roczniki Państwowego Zakładu Higieny

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1998

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tom 49

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nr 2

169-176

Zmodyfikowano zawartą w Polskiej Normie metodę spektrofotometryczną oznaczania jodku potasowego w soli. Przeprowadzono walidacją metody określając jej precyzję, dokładność oraz liniowość.

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The elements of specific biological activity in therapeutic waters in Polish health resorts

80%

Drobnik M., Latour T., Sziwa D.

Journal of Elementology

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2011

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tom 16

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nr 4

The study characterizes specific therapeutic waters in Polish health resorts, which contain iodide, fluoride, silicon, sulphides, iron(II), carbon dioxide and radon in concentrations that ensure the therapeutic status of water and specify how it can be used for medical treatment. Based on the physicochemical analysis, it has been verified that among 160 waters from 39 health resorts, 37 contain Fe(II) in concentrations > 10 mg dm–3, which means that they can be classified as ferruginous. Twelve waters containing fluoride in concentrations > 2 mg dm–3 were recognized as therapeutic fluoride waters. Five waters were classified as siliceous ones owing to the content of silicon compounds above 70 mg dm–3 (H2SiO3). Twenty-eight of the analysed waters contain sulphides (H2S+HS–) in concentrations > 1 mg dm–3 and 64 waters contain iodide in concentrations > 1 mg dm–3. Carbon dioxide, which occurs in 72 waters in concentrations above 1 g dm–3 (acidulous waters), proved to be the most widespread component. Waters which contain radon in an amount corresponding to the radiation of 74 Bq (2 nCi) in 1 dm3 are classified as radon waters. Ten of the analysed waters were found to contain this element. The waters were highly varied in chemical composition and type of specific components. Sulphurous waters are mainly used for mineral baths; ferruginous waters are drunk; fluoride and silicon-rich waters are taken for mineral baths and iodide waters are used for mineral baths and inhalations. Using these waters in balneotherapy is an important part of spa treatment and defines different healing profiles of Polish health resorts.

Ograniczanie wyników

1 Journal of Elementology

1 Polish Journal of Environmental Studies

1 Roczniki Państwowego Zakładu Higieny

2 Drobnik M.

2 Latour T.

1 Chmielewska-Horvathova E.

1 Lesny J.

1 Sziwa D.

1 2011

1 1998

1 1996

Sorption of iodide on the surface of modified clinoptilolite

Oznaczanie jodkow w solach - walidacja metod

The elements of specific biological activity in therapeutic waters in Polish health resorts