Seasonal changes in organotin compounds in water and sediment samples from the semi-closed Port of Gdynia - Publikacja - MOST Wiedzy

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Seasonal changes in organotin compounds in water and sediment samples from the semi-closed Port of Gdynia

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The effect of seasonal changes on the distribution of organotin compounds (OTC) in the sediments and seawaterfrom the docks of the Port of Gdynia was investigated. Sediment and seawater samples were collectedfrom four industrial docks in February (winter) and June (summer) in 2009. The samples were analyzed forbutyltin, phenyltin, octyltin, and tricyclohexyltin (total of 9 OTC derivatives). The fine fraction (b0.063 mm)accumulated the highest concentration of OTC, although it was not the dominant fraction in the sedimentsamples from the Port of Gdynia. The average concentration of TBT, DBT and MBT in collected sampleswere as follows: 4400; 2188; 730 ng cation g−1 d.w. (February) 3638; 1590; 474 ng cation g−1 d.w.(June) in the fine sediment samples, 2805; 1266; 485 ng cation g−1 d.w. (February) in b2.00 mm sedimentfractions and 118.6; 39.2; 25.3 ng cation L−1 (February) and 46.5; 12.6; 8.2 ng cation L−1 (June) in thewater samples. Higher concentrations of butyltin derivatives (BT) were observed in samples collected inFebruary than in those collected in June. Seasonal changes in BT correlate well with changes in the waterpH and concentrations of organic matter and can be attributed to sorption/desorption to sediments, photodegradation and biodegradation. Although the Port of Gdynia does not represent the natural features ofa marine environment, seasonal variations recorded in the pH values as well as BT, organic carbon and biogenicelement concentrations seem to be influenced by temperature and microbial activity.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
SCIENCE OF THE TOTAL ENVIRONMENT nr 441, strony 57 - 66,
ISSN: 0048-9697
Język:
angielski
Rok wydania:
2012
Opis bibliograficzny:
Radke B., Wasik A., Jewell L., Piketh S., Pęczek U., Namieśnik J.: Seasonal changes in organotin compounds in water and sediment samples from the semi-closed Port of Gdynia// SCIENCE OF THE TOTAL ENVIRONMENT. -Vol. 441, (2012), s.57-66
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.scitotenv.2012.09.006
Weryfikacja:
Politechnika Gdańska

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