Abstract
The concentrations of lead-212 and its short-lived daughter bismuth-212 in air near the ground were determined simultaneously by adaptation of the immersed-filter, delayed-coincidence technique of Assaf and Gat to measurement of the 3 × 10-7-second bismuth-212 and polonium-212 pair. The radioactive disequilibrium between lead-212 and bismuth-212 depends strongly on the efficiency of the ground in acting as a sink for these nuclides. This efficiency is low under dry conditions.
| Original language | English |
|---|---|
| Pages (from-to) | 977-979 |
| Number of pages | 3 |
| Journal | Science |
| Volume | 159 |
| Issue number | 3818 |
| DOIs | |
| State | Published - 1 Jan 1968 |
| Externally published | Yes |
ASJC Scopus subject areas
- General
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