On the determination of sources of iron in atmospheric air by the Mössbauer technique

Abstract

The Mössbauer effect was used for studying the iron concentration in atmospheric air. From the Mössbauer measurements at various temperatures it was possible to estimate the size of iron-containing particles, which together with the seasonal variations of iron concentration suggest that industrial air pollution contributes significantly to the concentration of iron in air. Under favourable conditions, iron of extraterrestrial origin was observed.