An integrated method for the simultaneous determination of alkylphenol ethoxylates and brominated flame retardants in sewage sludge samples by ultrasonic-assisted extraction, solid phase clean-up, and GC-MS analysis
Chokwe T, et al.
Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 123, 230-236 (2015)
Journal of chromatography. A, 991(1), 77-97 (2003-04-22)
Methods for ultra trace detection of endocrine disruptive chemicals (EDCs) are needed because of their low levels of impact. Twenty-one EDCs were selected, including 17beta-estradiol, 17alpha-ethinylestradiol, 17beta-testosterone and bisphenol A. Derivatisation with eight different fluorine containing compounds was examined. All
Journal of chromatography. B, Biomedical sciences and applications, 700(1-2), 93-100 (1997-12-09)
A convenient and sensitive method for the quantitative determination of poly(ethylene glycol) 400 in plasma and urine with capillary gas chromatography-mass spectrometry has been developed. The sample preparation involves solid-phase extraction with subsequent derivatization with heptafluorobutyric anhydride, which proved to
In previous articles [Anal. Biochem. 284 (2000) 201; J. Lipid Res. 43 (2002) 794], we reported that the GC/MS identification and quantification of nearly all constituents of glycolipids could be obtained on the same sample in a single GC/MS analysis
Journal of chromatography. A, 765(1), 85-90 (1997-03-21)
A method for the determination of residues of the insecticide diflubenzuron, 1-(4-chlorophenyl)-3-(2,6-difluorobenzoyl)urea, in apples using gas chromatography with electron-capture detection has been developed and validated. The three solvents ethyl acetate, acetone and dichloromethane were tested for extraction of diflubenzuron residues
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