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MESOTHORIUM [2 records]
Record 1 - internal organization data 2001-09-11
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Radiological Physics (Theory and Application)
- Geochemistry
Record 1, Main entry term, English
- mesothorium
1, record 1, English, mesothorium
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Isotope of radium, chemically identical with it, but having a much shorter half-life; mesothorium decomposes into radiothorium, chemically identical with thorium. 2, record 1, English, - mesothorium
Record 1, French
Record 1, Domaine(s)
- Chimie
- Physique radiologique et applications
- Géochimie
Record 1, Main entry term, French
- mésothorium
1, record 1, French, m%C3%A9sothorium
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Nom de deux noyaux radioactifs : le radium 228 (mésothorium 1) et l'actinium 228 (mésothorium 2). 2, record 1, French, - m%C3%A9sothorium
Record number: 1, Textual support number: 1 OBS
Ces produits sont utilisés en cancérologie pour la pénétration de leur rayonnement. 2, record 1, French, - m%C3%A9sothorium
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2001-01-12
Record 2, English
Record 2, Subject field(s)
- Chemistry
- Atomic Physics
Record 2, Main entry term, English
- actinium 228
1, record 2, English, actinium%20228
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- actinium-228 2, record 2, English, actinium%2D228
correct
- mesothorium-2 2, record 2, English, mesothorium%2D2
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The other isotope, actinium-228, is a member of the thorium series resulting from the decay of thorium-232. This isotope, known also as mesothorium-2, has a half-life of 6.13 hours. Isotopes ranging in mass number from 209 to 234 are known. 2, record 2, English, - actinium%20228
Record 2, Key term(s)
- Ac 228
- Ac-228
- mesothorium 2
Record 2, French
Record 2, Domaine(s)
- Chimie
- Physique atomique
Record 2, Main entry term, French
- actinium 228
1, record 2, French, actinium%20228
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- actinium-228 2, record 2, French, actinium%2D228
correct, masculine noun
- mésothorium 2 1, record 2, French, m%C3%A9sothorium%202
correct, masculine noun, obsolete
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Radioélément de période d'une durée de 6,13 heures. 1, record 2, French, - actinium%20228
Record 2, Key term(s)
- mésothorium-2
- Ac-228
- Ac 228
Record 2, Spanish
Record 2, Textual support, Spanish
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