• 中文核心期刊
  • 中国科技核心期刊
  • ISSN 1007-6336
  • CN 21-1168/X
ZHANG Yun-yan, LIU Su-mei, SONG Guo-dong. Comparison between cellulose acetate membrane and polycarbonate membrane for the measurements of nutrients and chlorophyll a[J]. Chinese Journal of MARINE ENVIRONMENTAL SCIENCE, 2016, 35(6): 932-937. DOI: 10.13634/j.cnki.mes20160621
Citation: ZHANG Yun-yan, LIU Su-mei, SONG Guo-dong. Comparison between cellulose acetate membrane and polycarbonate membrane for the measurements of nutrients and chlorophyll a[J]. Chinese Journal of MARINE ENVIRONMENTAL SCIENCE, 2016, 35(6): 932-937. DOI: 10.13634/j.cnki.mes20160621

Comparison between cellulose acetate membrane and polycarbonate membrane for the measurements of nutrients and chlorophyll a

More Information
  • Received Date: January 26, 2016
  • Revised Date: April 10, 2016
  • In this study, cellulose acetate membrane (0.45 μm) and polycarbonate membrane (0.4 μm) were compared by measuring nutrients in filtrates and chlorophyll a on the filters to explore the differences.Undried cellulose acetate membrane and polycarbonate membrane were both suitable for nutrients measurement with consistent results:there were no significant differences in nitrite, ammonium, dissolved phosphate and dissolved silicate between cellulose acetate membrane and polycarbonate membrane.The difference between these two membranes in nitrate was less than 2%.Dried cellulose acetate membrane introduced more ammonium to seawater samples due to the slow filtration rate.Polycarbonate membrane was more suitable for the determination of chlorophyll a.The retention efficiency of cellulose acetate membrane tends to be lower since it cannot retain the pico-phytoplankton completely.

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