Abstract

The aqueous solubilities of phenanthrene, anthracene, 2-methylanthracene, 2-ethylanthracene, 1,2-benzanthracene, and benzo(a)pyrene were determined at temperatures ranging from 3.7 to 25.3°C and salinities ranging from 0 to 36.7‰. With the exception of 1,2-benzanthracene, the hydrocarbons experienced salting-out. Their solubilities were insensitive to small changes in salinity and very sensitive to small changes in temperature. On the other hand, 1,2-benzanthracene experienced salting-in, and its solubility was sensitive to small changes in salinity. Potential environmental implications of the data are discussed.

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