Frit inlet/frit outlet flow field-flow fractionation: methodology for colored dissolved organic material in natural waters

Results from the first application FIFO–FlFFF (1 frit inlet/frit outlet–flow field-flow fractionation) to the characterization of colored dissolved organic material (CDOM) in river and coastal waters are described. FlFFF separates compounds based on their diffusional characteristics. The frit inlet/...

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Bibliographic Details
Published in:Analytica chimica acta 2001-09, Vol.443 (2), p.171-181
Main Authors: Zanardi-Lamardo, Eliete, Clark, Catherine D, Zika, Rod G
Format: Article
Language:English
Subjects:
Analysis methods
Analytical chemistry
Applied sciences
CDOM
Chemistry
Exact sciences and technology
Field-flow fractionation
Molecular weight
Natural water pollution
Pollution
Spectrometric and optical methods
Water treatment and pollution
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Summary:Results from the first application FIFO–FlFFF (1 frit inlet/frit outlet–flow field-flow fractionation) to the characterization of colored dissolved organic material (CDOM) in river and coastal waters are described. FlFFF separates compounds based on their diffusional characteristics. The frit inlet/frit outlet (FIFO) feature was recently developed to concentrate samples inside the FlFFF channel for improved stability, reproducibility and sensitivity. Our results show that FIFO increases sensitivity by an order of magnitude and the system has a linear response to molecular weight and concentration over a wide dynamic range. Errors for replicate analyses with a Caloosahatchee River sample from southwest Florida were
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(01)01202-8