Results 101 to 110 of about 1,030 (165)

Separation of cobalt-60, strontium-90, and cesium-137 radioisotopes by competitive transport across polymer inclusion membranes with organophosphorous acids

Desalination, 2006
Abstract The removal and separation of Co-60, Sr-90, and Cs-137 radioisotopes from nitrate aqueous solutions were studied by competitive transport across cellulose triacetate plasticized membranes using organophosphorous acids compounds (D2EHPA, Cyanex 272, Cyanex 301 and Cyanex 302). Competitive transport of trace radionuclides ions from 0.10 M NaNO
Cezary A. Kozlowski, Jolanta Kozlowska, Witalis Pellowski, Władysław Walkowiak   +3 more
openaire   +2 more sources

An Overview of Fukushima-Derived Strontium Radioisotopes

, 2022
Ismail M. M. Rahman, Hikaru Sawai, M. Ferdous Alam, Zinnat A. Begum   +3 more
openaire   +2 more sources

Ion exchange chromatography on a new form of tin dioxide for the isolation of strontium radioisotopes from fission products: an application to milk samples

International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes, 1990
An amorphous, partially-reduced tin dioxide, having properties of an inorganic exchanger, was tested for application to fission product separations. Due to the good sorption of both strontium and barium the application of the exchanger to radiostrontium isolation from fission product mixtures is subject to important restrictions. An application to 90Sr
R, Stella, M T, Ganzerli Valentini, L, Maggi   +2 more
openaire   +3 more sources

Local structure of strontium adsorbed on 2:1 clay minerals and its comparison with cesium by XAFS in terms of migration of their radioisotopes in the environment

Journal of Radioanalytical and Nuclear Chemistry, 2018
This study aimed to reveal local structures of strontium (Sr) and cesium (Cs) adsorbed on clay minerals (vermiculite and montmorillonite), which suggests stabilities of the adsorbed species of 90Sr and 137Cs in the environment. Adsorption experiments to determine solid-water distribution, XRD for interlayer distances of the clay minerals, and EXAFS for
Akiko Yamaguchi, Masato Tanaka, Yuich Kurihara, Yoshio Takahashi   +3 more
openaire   +2 more sources

A refined technique for extracting strontium from water samples and quantifying strontium radioisotopes using a gas flow proportional counter

Progress in Nuclear Energy
Phan Long Ho, Vu Tuan Minh, Le Dinh Hung, Le Hoang Minh, Tran Thien Thanh, Dang Van Chinh, Chau Van Tao   +6 more
openaire   +2 more sources

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The uptake of caesium and strontium radioisotopes onto clays

Journal of Materials Chemistry, 2000
Montmorillonite and illite clays have been examined for their ability to take up caesium and strontium radioisotopes from solution. Uptakes onto near homoionic Na, K, NH4, Mg, Ca, and Sr clays have been assessed by the construction of ion exchange isotherms. Effects of changes in concentration (total normality) and temperature have been assessed. Where
Allen Dyer, John K. K. Chow, Ibrahim M. Umar   +2 more
openaire   +1 more source

Strontium-calcium metabolism in man and animals as studied by radioisotope methods

The International Journal of Applied Radiation and Isotopes, 1957
C.L. Comar, R.H. Wasserman
openaire   +2 more sources

High-resolution radioisotopic measurements of calcium, strontium, and barium in heart

Journal of Applied Physiology, 1975
A gamma-ray detector system used in conjunction with isolated vascularly perfused rabbit septa labeled with the Ca-like cations 85Sr and 133Ba has been developed to test the feasibility of constructing a considerably more efficient detector system capable of measuring the highly energetic (Emax congruent to 1.3 MeV) 47Ca radionuclide.
openaire   +2 more sources

[Calcium alginate as a protective agent in chronic dietary intake of strontium radioisotopes].

Radiobiologiia, 1971
P M, Malkin, M Iu, Dolmatova, Z V, Dubrovina, E I, Frolova   +3 more
openaire   +2 more sources

[Metabolic changes in rat muscle tissue after separate and combined exposure to iodine and strontium radioisotopes].

Radiobiologiia, 1978
Vatulina Gg
openaire   +2 more sources