Analysis of radioactive particles from the Kola Bay area

R. Pöllänen; S. Klemola; Ikäheimonen Tarja; K. Rissanen; J. Juhanoja; Jari Likonen

doi:10.1039/B101099I

Analysis of radioactive particles from the Kola Bay area

R. Pöllänen (Corresponding Author), S. Klemola, Ikäheimonen Tarja, K. Rissanen, J. Juhanoja, Jari Likonen

Research output: Contribution to journal › Article › Scientific › peer-review

3 Citations (Scopus)

Abstract

Two types of radioactive particle were identified in marine sediment and lichen samples collected from the Kola Bay, NW Russia. The particles were identified by means of gamma-ray spectrometry and autoradiography, separated and subjected to various analysis techniques. Several complementary techniques are needed to characterise particle properties thoroughly. ¹³⁷Cs was present in the sediment matrix in large (≈100 μm) greenish particles that were most probably pieces of paint. Although their element composition was heterogeneous, ¹³⁷Cs was found to be evenly distributed. ⁶⁰Co in the lichen matrix was present in small (≈1 μm) particles. No U or transuranium elements were detected in either type of particle.

Original language	English
Pages (from-to)	724-730
Number of pages	7
Journal	The Analyst
Volume	126
Issue number	5
DOIs	https://doi.org/10.1039/B101099I
Publication status	Published - 2001
MoE publication type	A1 Journal article-refereed

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Pöllänen, R., Klemola, S., Tarja, I., Rissanen, K., Juhanoja, J., & Likonen, J. (2001). Analysis of radioactive particles from the Kola Bay area. The Analyst, 126(5), 724-730. https://doi.org/10.1039/B101099I

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abstract = "Two types of radioactive particle were identified in marine sediment and lichen samples collected from the Kola Bay, NW Russia. The particles were identified by means of gamma-ray spectrometry and autoradiography, separated and subjected to various analysis techniques. Several complementary techniques are needed to characterise particle properties thoroughly. 137Cs was present in the sediment matrix in large (≈100 μm) greenish particles that were most probably pieces of paint. Although their element composition was heterogeneous, 137Cs was found to be evenly distributed. 60Co in the lichen matrix was present in small (≈1 μm) particles. No U or transuranium elements were detected in either type of particle.",

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AU - Pöllänen, R.

AU - Klemola, S.

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AU - Juhanoja, J.

AU - Likonen, Jari

PY - 2001

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AB - Two types of radioactive particle were identified in marine sediment and lichen samples collected from the Kola Bay, NW Russia. The particles were identified by means of gamma-ray spectrometry and autoradiography, separated and subjected to various analysis techniques. Several complementary techniques are needed to characterise particle properties thoroughly. 137Cs was present in the sediment matrix in large (≈100 μm) greenish particles that were most probably pieces of paint. Although their element composition was heterogeneous, 137Cs was found to be evenly distributed. 60Co in the lichen matrix was present in small (≈1 μm) particles. No U or transuranium elements were detected in either type of particle.

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