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THORIUM 234 [2 records]
Record 1 - internal organization data 2001-01-12
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Atomic Physics
Record 1, Main entry term, English
- actinium 228
1, record 1, English, actinium%20228
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- actinium-228 2, record 1, English, actinium%2D228
correct
- mesothorium-2 2, record 1, English, mesothorium%2D2
correct
Record 1, Textual support, English
Record number: 1, 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 1, English, - actinium%20228
Record 1, Key term(s)
- Ac 228
- Ac-228
- mesothorium 2
Record 1, French
Record 1, Domaine(s)
- Chimie
- Physique atomique
Record 1, Main entry term, French
- actinium 228
1, record 1, French, actinium%20228
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- actinium-228 2, record 1, French, actinium%2D228
correct, masculine noun
- mésothorium 2 1, record 1, French, m%C3%A9sothorium%202
correct, masculine noun, obsolete
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Radioélément de période d'une durée de 6,13 heures. 1, record 1, French, - actinium%20228
Record 1, Key term(s)
- mésothorium-2
- Ac-228
- Ac 228
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1999-09-29
Record 2, English
Record 2, Subject field(s)
- Atomic Physics
Record 2, Main entry term, English
- uranium X1
1, record 2, English, uranium%20X1
correct
Record 2, Abbreviations, English
- UX1 2, record 2, English, UX1
correct
Record 2, Synonyms, English
- thorium 234 2, record 2, English, thorium%20234
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A name for thorium 234, a member of the uranium disintegration series; symbol, UX1; emits beta particles; and half-life, 24. 10 days. 2, record 2, English, - uranium%20X1
Record 2, French
Record 2, Domaine(s)
- Physique atomique
Record 2, Main entry term, French
- thorium 234
1, record 2, French, thorium%20234
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- uranium X1 1, record 2, French, uranium%20X1
masculine noun, obsolete
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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