Preliminary Study on Dissolved and Colloidal Organic Carbon in Tidal Creek of Chongming Dongtan

Wen Dan Huang; Xiang Min Zheng; Li Min Zhou

doi:10.4028/www.scientific.net/AMR.317-319.2436

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 317-319Preliminary Study on Dissolved and Colloidal...

Preliminary Study on Dissolved and Colloidal Organic Carbon in Tidal Creek of Chongming Dongtan

Abstract:

Water samples were collected in the northern, eastern and southern tidal creeks of Chongming Dongtan in January, 2009. The samples were passed through 0.45μm pore size GF/C glass fiber membrane and colloid was isolated by mini tangential flow ultrafiltration (TFF) with ultrafiltration membrane pore-size of 1kD (1kD=1 000 Daltons). Then the content of organic carbon was tested by TOC II. Results show that the contents of dissolved and colloidal organic carbon (DOC and COC) in the northern creek are higher than the eastern and southern tidal creeks of Chongming Dongtan, and the concentration of DOC decreased from high tidal flat to low tidal flat. Hydrodynamic and vegetation are the important factors to affect the content of COC in tidal creek water of Chongming Dongtan.

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Periodical:

Advanced Materials Research (Volumes 317-319)

Pages:

2436-2439

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.317-319.2436

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Online since:

August 2011

Authors:

Wen Dan Huang, Xiang Min Zheng, Li Min Zhou

Keywords:

Chongming Dongtan, Colloidal Organic Carbon, Dissolved Organic Carbon

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