The invention discloses a portable sampler and a preparation method and application thereof, and the portable sampler is obtained by using hollow fiber to support a solid state ionic liquid. A solid phase microextraction device with the solid state ionic liquid supported by the hollow fiber is prepared by use of the super hydrophobic solid ionic liquid in hollow fiber solid phase microextraction, the solid phase microextraction device is used for extraction of trace organic pollutants in a water sample for detection, the enrichment factor of the sampler is higher than that of HF-LPME, extractant loss can be avoided by use of the super hydrophobic solid ionic liquid in the extraction process, the sampler is easy to carry, and can be directly used for field sampling; the preparation method is simple and convenient, and when in use, the sampler is easy to operate.

Portable sampler and preparation method and application thereof

Non-conventional solvents in liquid phase microextraction and aqueous biphasic systems

A novel method for determination of organochlorine pesticides residuals (2,4-DDT and 4,4-DDT) in water samples through hollow fiber membrane-liquid phase microextraction using ionic liquid material as extractant coupled with high performance liquid chromatography has been developed. The effect of extraction parameters including pH of the feed solution, stirring rate and extraction time was investigated. The proposed method provided enrichment efficiency of 323 and 289 for 2,4-DDT and 4,4-DDT respectively. The method had good linear range of 0.5-50 μg /L and the limits of detection of the pesticides were 0.1 μg /L.

Determination of Organochlorine Pesticides in Water Samples through Hollow Fiber Membrane-Liquid Phase Microextraction Using Ionic Liquid Material as Extractant

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Determination of Organochlorine Pesticides in Water Samples through Hollow Fiber Membrane-Liquid Phase Microextraction Using Ionic Liquid Material as Extractant