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D-70 (389) B. Kopcewicz, Ecological Aspects of Mössbauer Study of Iron-Containing Atmospheric Aerosol

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1. Introduction, 3

2. The principles. Basic properties and methodology of the Mössbauer effect, 6

2.1 Probability of the Mössbauer effect, 6

2.2 Shape of the resonance line, 6

2.3 Parameters of the Mössbauer line, 7

2.4 Hyperfine interactions, 8

3. Experimental details, 10

3.1 Apparatus, 10

3.2 The samples preparation, 10

4. Superparamagnetism. Determination of size distribution of iron-containing aerosol particles, 12

5. Mössbauer study of atmospheric aerosols in a mountain region of Poland, 15

5.1 Identification of iron-containing phases, 15

5.2 Determination of the content of Mössbauer isotope in the sample, 34

6. Mössbauer study of industrial urban atmospheric aerosols, 38

6.1 Sampling site: Poznań, 38

6.2 Sampling site: Łódź, 40

7. Atmospheric fallout, 46

8. Iron-containing atmospheric aerosol collected during the Chernobyl accident, 51

8.1 Experimental details regarding the Chernobyl accident, 51

8.2 Experimental results regarding the Chernobyl accident, 53

9. Conclusions, 57

References, 59

Ekologiczne aspekty mössbauerowskich badań aerozolu atmosferycznego zawierającego żelazo (streszczenie), 63


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