Supercritical fluid extraction of water samples containing ultratrace amounts of organic micropollutants

Glazkov, I. N.; Revelsky, I. A.; Efimov, I.P.; Zolotov, Yu. A.

doi:10.1002/(sici)1520-667x(1999)11:10<729::aid-mcs6>3.0.co;2-2

Cited by 17 publications

(2 citation statements)

References 11 publications

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“…A substance in the supercritical state is applied as the extracting agent (temperature and pressure of the substance above the critical values). The most common supercritical fluids include carbon dioxide, nitrous oxide, ethane, propane, n-pentane, ammonia and sulfur hexafluoride 15 Minimization or complete elimination of organic solvents…”

Section: Supercritical Fluid Extraction (Sfe)mentioning

confidence: 99%

Untitled

2020

IJPSR

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Green analytical chemistry is an attempt to reduce the environmental hazards caused by chemicals and chemical processes. To avoid the use or formation of dangerous materials, the best way is to prevent pollution rather than cleaning up the process. Therefore, it is important to choose a method with the least harmful effects on the environment. The main focus or aim of green chromatography is to make a method greener at each and every step of analysis from sample collection to its determination. The present review includes the goals to achieve green chromatography using environmentally benign solvents and reagents, most recent contribution in the development of greener sample preparation since it has effect on whole analytical methodology, chromatographic separation techniques, advantages of green chromatography, green microextraction techniques (solid-phase microextraction, still bar sorptive, liquid-phase microextraction) are included. The aim is to make chromatographic separations greener, depending on the type of chromatography which includes the solventless extraction technique.

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Section: Supercritical Fluid Extraction (Sfe)mentioning

confidence: 99%

Untitled

2020

IJPSR

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“…First and foremost, is the use of carbon dioxide. SFE is an ecologically safe, thrifty and speedy method of extraction of organic substances from different biological objects [12][13][14][15][16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Biomonitoring of organic and inorganic chemicals in the hair of Vietnamese people via spectral and chromatographic analysis

Cuong¹,

Thuy²,

Evgen'ev³

2013

JBPC

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A combination of spectral and chromatographic analytical methods has been executed to monitor chemicals in the hair of Vietnamese people. Methods were developed for the determination of some chemical elements in hair by inductively coupled-plasma atomic emission spectroscopy with limits of detection reaching 1 - 100 μg·l^－¹. A supercritical fluid extraction (SFE) and clean-up procedures were established for isolating organochlorine pollutants (OCPs) and organophosphorus pesticides (OPPs) from the hair of the Vietnamese test subjects. Eight OCPs and OPPs were determined by SFE with carbon dioxide only and methanol-modified carbon dioxide extraction at 350 bar and 45℃, followed by gas chromatography coupled to mass spectrometry. The results indicated that OCPs can be extracted quantitatively using CO₂ only, whereas OPPs require a modifier for extraction. The limits of detection that were found were between 0.7 to 1.3 μg·g^－¹, and good linearity (r² > 0.9861) was achieved within the tested ranges. The activities of the N-acetyltransferase (NAT) and the monooxygenases cytochrome P450 (CYP 450) were determined and compared to the acetylation and oxidation phenotypes of healthy Vietnamese test subjects. The variations in the concentration of chemical elements in human hair were shown to be dependent upon the activities of the two-phase metabolic system, on the individual’s gender and the duration of residence within Russia.

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Green Analytical Chemistry Approaches in Sample Preparation

Mechlińska

Namieśnik

2012

Handbook of Green Analytical Chemistry

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Supercritical fluid extraction of water samples containing ultratrace amounts of organic micropollutants

Cited by 17 publications

References 11 publications

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Biomonitoring of organic and inorganic chemicals in the hair of Vietnamese people via spectral and chromatographic analysis

Green Analytical Chemistry Approaches in Sample Preparation

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