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Benzo( a )pyrene adsorbed to suspended solids in fresh water
Author(s) -
Nogami Yusaku,
Imaeda Ryoko,
Ito Takehiko,
Kira Shohei
Publication year - 2000
Publication title -
environmental toxicology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.813
H-Index - 77
eISSN - 1522-7278
pISSN - 1520-4081
DOI - 10.1002/1522-7278(2000)15:5<500::aid-tox19>3.0.co;2-e
Subject(s) - suspended solids , pyrene , total dissolved solids , benzo(a)pyrene , total suspended solids , extraction (chemistry) , chemistry , fresh water , solubility , adsorption , environmental chemistry , benzopyrene , chromatography , wastewater , environmental engineering , environmental science , organic chemistry , chemical oxygen demand
The solubility of benzo( a )pyrene (B a P) in water is small, and measured total B a P concentration (t‐B a P) in fresh water is the sum of B a P dissolved in water (d‐B a P) and B a P adsorbed to suspended solids (p‐B a P). We have collected fresh water samples in a lake and rivers in Okayama Prefecture, Japan, and measured both d‐B a P and p‐B a P in each sample. The blue rayon method or solid–liquid extraction was used for extraction of B a P in water or in suspended solids, respectively. The measurement of B a P was done using high‐performance liquid chromatography according to our previously reported method. The present data indicate that p‐B a P was about 1.5 to 5 times higher than d‐B a P. In general, the amount of suspended solids in each sample did not show a correlation to p‐B a P. These results suggest that B a P adsorbed to suspended solids must be taken into account when assessment of t‐B a P is done in any given fresh water sample. © 2000 John Wiley & Sons, Inc. Environ Toxicol 15: 500–503, 2000