三氯异氰尿酸在模拟水生态系统中归趋的研究

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Abstract

Distribution, accumulation and transfer dynamics of TCCA in water, sediments, and biota in a simulated micro-cosmos system were studied by HPLC. The results showed that once TCCA was released into water body, some were hydrolyzed in aqueous solutions; some were assimilated by aquatic organisms or precipitated into sediments. There were differences in distribution, accumulation and transfer dynamics of TCCA among different aquatic organisms. Echinodorus amazonicus adsorbed TCCA mainly by its leaf instead of its roots and reached to an equilibrium quickly; Allogynogenetic crucian carp and Corbicula fluminea had obvious ability to accumulate TCCA, which could retain in these organisms for a long time. Significant differences of TCCA bioaccumulation existed between visceral and muscle, and higher concentration of TCCA was found in visceral tissues. It was found that bioaccumulations of TCCA varied with species, and the order was Echinodorus amazonicus>Corbicula fluminea>Allogynogenetic crucian carp.

Key words： micro-cosmos system trichloroisocyanuric acid environmental fate HPLC

Received: 25 August 2007

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	Articles by authors
	ZHOU Xiao-zhi
	CHEN Ju-fang
	NIE Xiang-ping
	JIANG Tian-jiu

Cite this article:

ZHOU Xiao-zhi,CHEN Ju-fang,NIE Xiang-ping, et al. Dynamics and fate of TCCA in a simulated micro-cosmos system[J]. , 2007, 26(4): 361-366.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2007/V26/I4/361

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