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  • Title: Determination of aldehydes in rainwater using micro-solid-phase extraction and high-performance liquid chromatography.
    Author: Basheer C, Pavagadhi S, Yu H, Balasubramanian R, Lee HK.
    Journal: J Chromatogr A; 2010 Oct 08; 1217(41):6366-72. PubMed ID: 20822771.
    Abstract:
    A simple and rapid extraction procedure was developed for determining aldehydes in rainwater samples. This extraction technique involved the use of micro-solid-phase extraction in which the sorbent was held within a polypropylene membrane envelope, followed by high-performance liquid chromatographic analysis. Aldehydes such as formaldehyde, acetaldehyde, propionaldehyde and valeraldehyde were used as model compounds. Extraction conditions were optimized. The method linearity ranged between 0.5 and 50 μgl(-1) with the correlation coefficient of 0.987-0.999. The relative standard deviations (RSDs) of the method ranged from 7 to 12%. Method detection limits were in the range of 0.07-0.15 μgl(-1), which is lower than those previously reported for solid-phase microextraction combined with gas chromatography-mass spectrometric techniques. The proposed extraction technique was used for determination of aldehydes in rainwater samples to demonstrate the applicability of the method.
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