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Autor:
K. M. Ochsenkühn, N. N. Papadopoulos
Publikováno v:
HNPS Proceedings. 7:88
Among the modern analytical methods, the nuclear analytical techniques, and especially neutron activation analysis, pay an important role in accurate and sensitive analysis. The capabilities of this technique and its application range have broadened
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28588344e1fea736c4955a1489ddb035
https://doi.org/10.12681/hnps.2401
https://doi.org/10.12681/hnps.2401
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 256:87-91
The uranium content of airborne particulates collected on cellulose filters was investigated. As a case study, filter samples from the large area of Thessaloniki, Greece, were used. For the uranium determination instrumental neutron activation analys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6559bf657ff88976b0aa2d0fb8492a78
https://doi.org/10.1023/a:1023304210331
https://doi.org/10.1023/a:1023304210331
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 253:257-262
For the determination of gold in Greek bauxites from the Parnassos-Ghiona area, an analytical technique was used based on the selective adsorption of gold on SRAFION NMRR chelating anion exchanger resin, after leaching the bauxites with aqua regia in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d51c08a55f5bf6b791995e4bc385f8a7
https://doi.org/10.1023/a:1019601926242
https://doi.org/10.1023/a:1019601926242
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 242:803-806
At the reactor of the NCSR “Demokritos” epithermal irradiation was used in connection with a loss-free counting technique to investigate rare Neolithic ceramic shards, about 4000 years old, from the Alepotrypa Cave of Diros, Greece. The applicati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d2efa6d6af3a27a6eb5deb70c9790fd
https://doi.org/10.1007/bf02347399
https://doi.org/10.1007/bf02347399
Autor:
N. Zouridakis, K. M. Ochsenkühn
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 213:151-158
For the analysis of pottery fragments from ancient Lefkanti, instrumental neutron activation analysis was used. To have a good throughput of samples, a detectable series of short-lived isotopes was selected for the investigation. The problem of the i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d35afaabcec40e003d637a02ebf1717a
https://doi.org/10.1007/bf02165247
https://doi.org/10.1007/bf02165247
Publikováno v:
Analytica Chimica Acta. 319:249-254
This study presents a rapid and selective method for the recovery of lanthanides and yttrium, existing in economically interesting concentrations, from red mud, the byproduct of the alumina production. The leaching process is based on the extraction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68c628795e8a7317b5a6b8a8b23f2c89
https://doi.org/10.1016/0003-2670(95)00486-6
https://doi.org/10.1016/0003-2670(95)00486-6
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 212:121-129
For the separation and determination of low gold concentrations in the sub μg g−1 range in ore and sediment samples an analytical technique has been developed, based on the selective adsorption of gold on the chelating resin, Srafion NMRR, and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e11f26876fab23be9101f3ff869653a0
https://doi.org/10.1007/bf02162344
https://doi.org/10.1007/bf02162344
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 190:71-79
For the determination of Ga, Th and U and the group of rare earth elements in bauxitic materials an instrumental neutron activation method based on the irradiation with epithermal neutrons has been developed. Bauxites as well as bauxite tailings from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f3809cfd57641931316e443860b3097
https://doi.org/10.1007/bf02035638
https://doi.org/10.1007/bf02035638
Autor:
P. A. Kontopoulos, M. Ochsenkühn-Petropulu, N. F. Tsagas, G. E. Hatzakis, A. C. Salveris, K. M. Ochsenkühn, N. N. Papadopoulos
Publikováno v:
Analytical and bioanalytical chemistry. 355(3-4)
Short-time instrumental neutron activation analysis, with high throughput, sensitivity and accuracy without matrix interferences, can be achieved in spite of the initial high count rate from both short and long-lived nuclide activation, if the experi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5079232ba325ffb644dce0e23aef7625
https://pubmed.ncbi.nlm.nih.gov/15045420
https://pubmed.ncbi.nlm.nih.gov/15045420