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  • PL 55 (A. I. Virtasen aukio 1)

    00014

    Finland

1987 …2019
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Publications 1987 2019

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2019

Neptunium(V) transport in granitic rock: A laboratory scale study on the influence of bentonite colloids

Elo, O., Hölttä, P., Kekäläinen, P., Voutilainen, M. & Huittinen, N. M., Apr 2019, In : Applied Geochemistry. 103, p. 31-39 9 p.

Research output: Contribution to journalArticleScientificpeer-review

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2017

Batch sorption and spectroscopic speciation studies of neptunium uptake by montmorillonite and corundum

Elo, O., Müller, K., Ikeda-Ohno, A., Bok, F., Scheinost, A. C., Hölttä, P. & Huittinen, N., 1 Feb 2017, In : Geochimica et Cosmochimica Acta. 198, p. 168-181 14 p.

Research output: Contribution to journalArticleScientificpeer-review

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2016

Injection grout Silica Sol as a source of stable silica colloids

Hölttä, P-L., Lahtinen, M. E., Niemiaho, S. M., Elo, O. H. M., Suorsa, M. V., Lehto, J. K. & Juhola, P., 2016, (In preparation) In : Surface and Colloid Science.

Research output: Contribution to journalArticleScientificpeer-review

2011

Solutions to and Validation of Matrix-Diffusion Models

Kekäläinen, P., Voutilainen, M. A., Poteri, A., Hölttä, P., Hautojärvi, A. & Timonen, J., Mar 2011, In : Transport in Porous Media. 87, 1, p. 125–149 25 p.

Research output: Contribution to journalArticleScientificpeer-review

2010

Analysis of colloids released from bentonite and crushed rock

Lahtinen, M., Hölttä, P., Riekkola, M-L. & Yohannes, G., 2010, In : Physics and Chemistry of the Earth (2002) . 35, 6-8, p. 265-270 6 p.

Research output: Contribution to journalArticleScientificpeer-review

2008

Retardation of mobile radionuclides in granitic rock fractures by matrix diffusion

Hölttä, P., Poteri, A., Siitari-Kauppi, M. & Huittinen, N. M., 2008, In : Physics and Chemistry of the Earth (2002) . 33, 14-16, p. 983-990 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2004

Fracture flow and radionuclide transport in block-scale laboratory experiments

Hölttä, P., Poteri, A., Hakanen, M. & Hautojärvi, A., 2004, In : Radiochimica Acta. 92, 9-11, p. 775-779

Research output: Contribution to journalArticleScientificpeer-review

2001

Attempt to model laboratory-scale diffusion and retardation data

Hölttä, P., Siitari-Kauppi, M. K., Hakanen, M. & Tukiainen, V., 2001, In : Journal of Contaminant Hydrology. 47, 2-4, p. 139-148 10 p.

Research output: Contribution to journalArticleScientificpeer-review

1998

Na, Ca and Sr retardation on crushed crystalline rock

Hölttä, P., Siitari-Kauppi, M., Lindberg, A. & Hautojärvi, A., 1998, In : Radiochimica Acta. 82, p. 279-285 7 p.

Research output: Contribution to journalArticleScientificpeer-review

1997

Radionuclide transport and retardation in rock fracture and crushed rock column experiments

Hölttä, P., Siitari-Kauppi, M., Hakanen, M., Huitti, T., Hautojärvi, A. & Lindberg, A., 1997, In : Journal of Contaminant Hydrology. 26, 1-4, p. 135-145 11 p.

Research output: Contribution to journalArticleScientificpeer-review

1996

The effects of matrix diffusion on radionuclide migration in rock column experiments

Holtta, P., Hakanen, M., Hautojarvi, A., Timonen, J. & Vaatainen, K., 1996, In : Journal of Contaminant Hydrology. 21, 1-4, p. 165-173

Research output: Contribution to journalArticleScientificpeer-review

1992

TRANSPORT AND RETARDATION OF NON-SORBING RADIONUCLIDES IN CRYSTALLINE ROCK FRACTURES

HOLTTA, P., HAUTOJARVI, A. & HAKANEN, M., 1992, In : Radiochimica Acta. 58-9, Part 2, p. 285-290

Research output: Contribution to journalArticleScientificpeer-review

1989

THE INFLUENCE OF AN ADDITIONAL FILTER IN EPITHERMAL NEUTRON-ACTIVATION ANALYSIS

SKARNEMARK, G., SKALBERG, M., TOKAY, RK., HOLTTA, P. & ROSENBERG, R., 1989, In : Applied Radiation and Isotopes. 40, 1, p. 37-40

Research output: Contribution to journalArticleScientificpeer-review