2011
DOI: 10.1016/j.chroma.2011.05.069
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Low-density solvent-based solvent demulsification dispersive liquid–liquid microextraction for the fast determination of trace levels of sixteen priority polycyclic aromatic hydrocarbons in environmental water samples

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Cited by 151 publications
(74 citation statements)
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“…Recently, a cheap, flexible and disposable polyethylene Pasteur pipette was introduced as an extraction device for low-density solvent-based DLLME [23,24]. Wang et al [19] developed a new device, which consisted of a dropper and a sample vial, to perform extraction, separation and concentration of trace pesticides from solvents.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, a cheap, flexible and disposable polyethylene Pasteur pipette was introduced as an extraction device for low-density solvent-based DLLME [23,24]. Wang et al [19] developed a new device, which consisted of a dropper and a sample vial, to perform extraction, separation and concentration of trace pesticides from solvents.…”
Section: Introductionmentioning
confidence: 99%
“…The choice of lower-density organic solvent is more popular than high-density solvents [31]. The low-density solvents such as n-hexane [30], toluene [32], 2-ethyl-1-hexanol [31], 1-heptanol [34], 1-octanol [35], isooctane [36], and 1-dodecanol [37] and 1-undecanol [38] have been used as extraction solvents in low-density solvents (LDS) DLLME. In addition, they have been proven to possess low LOD and LOQ, high recovery and higher linearity.…”
Section: Introductionmentioning
confidence: 99%
“…In this regard, some solvents such as 2-iodopropane [29] and 1, 2-dibromoethane [21] are as toxic as chlorinated solvents. Furthermore, there are only limited number of brominated or iodinated solvents with low toxicity [30]. Not suitable for analysis with GC Toxicity to environment is not well understood *DLLME-SFO: Dispersive liquid liquid microextraction based on solidification of floating drop GC: gas chromatography Low-density solvents were used recently as extraction solvent in DLLME.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, a cheap, flexible and disposable polyethylene Pasteur pipette was introduced as an extraction devices for low-density solvent-based DLLME (Guo & Lee, 2011;Hu, Wu, & Feng, 2010). Cheng et al (2011) developed an apparatus consisting of a dropper and a sample vial to perform extraction, separation and concentration of trace pesticides from solvents one step.…”
Section: Introductionmentioning
confidence: 99%