Stanovení jódu v potravinách konzumovaných v Libyi s použitím instrumentální a radiochemické neutronové aktavační analýzy

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F06%3A00078918" target="_blank" >RIV/61389005:_____/06:00078918 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Determination of iodine in foodstuffs consumed in Libya using instrumental and radiochemical neutro activation analysis

Popis výsledku v původním jazyce

Iodine was determined in foodstuffs consumed in Libya employing two modes of NAA.The first mode was instrumental using short-time irradiation with epithermal neutrons behind a Cd shield(EINAA). The other mode utilized shor-time irradiation with the reactor-pile neutrons followed by radiochemical separation (RNAA). The radiochemical separation procedure was based on the alkaline-oxidative fusion of samples and extraction of elemental iodine into chloroform. Separation yield determined using the radiotracer131 I was within the range of 90 to 95%. For guality control purposes,standard reference materials were analyzed in both modes employed.Using RNAA, a decection limit of ~1 ng g -1 could be obtained indicating superiority of the method in measuring ultra-trace levels of iodine. On the other hand, more than one order of magnitude higher detection limit did not allow sufficiently accurate determination of iodine in Libyan foodstuffs using EINAA.

Název v anglickém jazyce

Determination of iodine in foodstuffs consumed in Libya using instrumental and radiochemical neutro activation analysis

Popis výsledku anglicky

Iodine was determined in foodstuffs consumed in Libya employing two modes of NAA.The first mode was instrumental using short-time irradiation with epithermal neutrons behind a Cd shield(EINAA). The other mode utilized shor-time irradiation with the reactor-pile neutrons followed by radiochemical separation (RNAA). The radiochemical separation procedure was based on the alkaline-oxidative fusion of samples and extraction of elemental iodine into chloroform. Separation yield determined using the radiotracer131 I was within the range of 90 to 95%. For guality control purposes,standard reference materials were analyzed in both modes employed.Using RNAA, a decection limit of ~1 ng g -1 could be obtained indicating superiority of the method in measuring ultra-trace levels of iodine. On the other hand, more than one order of magnitude higher detection limit did not allow sufficiently accurate determination of iodine in Libyan foodstuffs using EINAA.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CB - Analytická chemie, separace

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2006

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Czechoslovak Journal of Physics

ISSN

0011-4626

e-ISSN

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Svazek periodika

-

Číslo periodika v rámci svazku

56

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

5

Strana od-do

159-163

Kód UT WoS článku

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EID výsledku v databázi Scopus

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