Application of Partial Least Squares Multivariate Calibration to Triphenyltin Determination in Sea-water With Excitation–Emission Matrix Fluorescence
- 1 January 1997
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 122 (11) , 1293-1298
- https://doi.org/10.1039/a703632i
Abstract
A partial least squares multivariate calibration approach, based on solid-phase extraction and excitation–emission matrix fluorescence using flavonol as fluorogenic reagent in a Triton X-100 micellar medium, is proposed for the determination of triphenyltin (TPhT) in sea-water. The calibration model is built from sea-water samples of known TPhT concentrations, and requires four factors for prediction. The method, which has a precision of 0.4% and a detection limit of 0.56 ng l– 1, was shown to be suitable for TPhT monitoring in sea-water.Keywords
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