Radiocarbon dating using electrostatic accelerators: negative ions provide the key.
Science
; 198(4316): 508-10, 1977 Nov 04.
Article
em En
| MEDLINE
| ID: mdl-17842139
ABSTRACT
Mass spectrometric methods have long been suggested as ways of measuring (14)C/(12)C ratios for carbon dating. One problem has been to distinguish between (14)N and (14)C. With negative ions and a tandem electrostatic accelerator, the (14)N background is virtually absent and fewer than three (14)C atoms in 10(16) atoms of (12)C have been easily measured.
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Base de dados:
MEDLINE
Idioma:
En
Revista:
Science
Ano de publicação:
1977
Tipo de documento:
Article