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The present investigation was carried out for elucidating the chemical composition of dissolved organic matter (DOM) in water of the Tamagawa River, collected near the Maruko-bashi, Tokyo in November 1972, May and November 1973. Various chemical compositions of DOM were analysed for samples filtered through WHATMAN GF/C glass fiber filters.<BR>The percentage of each chemical component analysed to the total DOM was as follows : <BR>carbohydrates 1618%<BR>protein 2936%<BR>(amino acids 25%) <BR>lipids 3 %<BR>urea 1%<BR>ABS 916%<BR>The percentage of protein (N-containing compounds) was larger and that of lipids (ether extractable compounds) was smaller than that observed in seawater samples. ABS derived from detergents was present in great amounts in water samples of the Tamagawa River.<BR>Trace organic compounds such as fatty acids, sterols, polyaromatic hydrocarbons, BHC and phthalate esters were identified in the same samples.
- 日本陸水学会の論文
日本陸水学会 | 論文
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