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pro vyhledávání: '"L. Soukal"'
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Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 264:67-76
Fruitbodies of wild-growing macromycetes (mushrooms) of various genera and species collected in localities with different geochemical features and man-made burden in the Czech Republic were analyzed using the short-term instrumental neutron activatio
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 259:7-11
Occupational exposure was examined for 20 workers dealing with welding, polishing, and assembling of stainless steel vessels. Instrumental neutron activation analysis was used for determination of selected elements in hair and nail, whereas urinary C
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 257:275-283
Forty two major, minor and some trace elements were determined by activation analysis in the new Czech Moravka H5 chondrite, which fell on May 6, 2000 in the vicinity of Moravka, north-east Moravia. The elements Na, Mg, Al, Si, Cl, Ca, Ti, V, Mn, Co,
Autor:
L. Soukal
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 249:61-65
Activation analysis methods based on the nuclear reactions 127 I(n,γ ) 128 I, 127 I(n,2n)126I and 127 I(γ ,n)126 I were tested in terms ofdetection limits, accuracy and precision, and applicability for iodine determinationat various levels in foods
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 248:149-154
A method for simultaneous determination of lead and thallium by photon activation analysis with radiochemical separation using irradiation with bremsstrahlung produced by a 20 MeV microtron is described. The detection limits for 500-mg samples of 0.9
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 217:131-137
A new RNAA procedure was developed capable of low level determination of thallium in biological and environmental samples. After high fluence neutron irradiation in a nuclear reactor, wet ashing of samples and T1(I) separation by solvent extraction w
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 215:147-155
A set of certified Reference Materials was prepared consisting of four natural agricultural soils with normal (n) and elevated (e) levels of element contents: CRM 7001 Light Sandy Soil (n), CRM 7002 Light Sandy Soil (e), CRM 7003 Silty Clay Loam (n),
Autor:
Jan Kučera, L. Soukal
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 193:33-38
Cadmium losses on wet and dry ashing were studied using tomato leaves with metabolized 109Cd radiotracer. The most appreciable Cd losses (up to 35%) occured when sulphuric acid was used on wet ashing due to Cd retention in the CaSO 4 precipitate form
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 168:185-199
The elements As, Cd, Cu, Hg, Mo, Sb, and Se were determined in the biological reference materials (RMs) Bowen's Kale, NIST SRM-1577 Bovine Liver, NIST SRM-1549 Milk Powder, and Versieck's 2nd Generation Biological RM Human Serum using two newly devel