Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29979
Title: PVC matrix membrane sensor for fluorescent determination of phosphate
Authors: Lin, X
Wu, X
Xie, Z
Wong, KY 
Keywords: Fluorescent determination
Phosphate
PVC membrane sensor
Issue Date: 2006
Source: Talanta, 2006, v. 70, no. 1 SPEC. ISS., p. 32-36 How to cite?
Journal: Talanta 
Abstract: A novel polyvinyl chloride (PVC) matrix membrane sensor responsive to inorganic phosphate ion was described. The working pH range is 4.0-6.0 and the response time is about 7.5 min. Under the optimum condition, the sensor displayed a good linear response for H2PO4- anion over the concentration range 6.00-15.00 μg/ml with a limit detection of 0.02 μg/ml. The life span of membrane sensors is 90-120 days, and it could be used for 60 times with several supplements of the fluorescent probe. Applied for the determination of phosphate at levels of 8.00-12.00 μg/ml in artificial seawater, the recoveries ranged from 96.6% to 103.8%, and the relative standard deviation was less than 4%.
URI: http://hdl.handle.net/10397/29979
ISSN: 0039-9140
DOI: 10.1016/j.talanta.2006.01.026
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