Sensitive gas chromatographic–mass spectrometric method for the determination of phthalate esters, alkylphenols, bisphenol A and their chlorinated derivatives in wastewater samples

2006 ◽  
Vol 1121 (2) ◽  
pp. 154-162 ◽  
Author(s):  
Oscar Ballesteros ◽  
Alberto Zafra ◽  
Alberto Navalón ◽  
José Luis Vílchez
Keyword(s):  
Bisphenol A ◽  
Phthalate Esters ◽  
Mass Spectrometric ◽  
Spectrometric Method ◽  
Mass Spectrometric Method ◽  
Wastewater Samples ◽  
Chromatographic Mass

Gas chromatographic–mass spectrometric method for the determination of bisphenol A and its chlorinated derivatives in urban wastewater

2003 ◽  
Vol 37 (4) ◽  
pp. 735-742 ◽  
Author(s):  
Alberto Zafra ◽  
Monsalud del Olmo ◽  
Beatriz Suárez ◽  
Ernesto Hontoria ◽  
Alberto Navalón ◽  
...  
Keyword(s):  
Bisphenol A ◽  
Mass Spectrometric ◽  
Spectrometric Method ◽  
Mass Spectrometric Method ◽  
Urban Wastewater ◽  
Chromatographic Mass

Gas-chromatographic/mass-spectrometric determination of theophylline in whole blood.

1977 ◽  
Vol 23 (1) ◽  
pp. 64-68 ◽  
Author(s):  
M Sheehan ◽  
R H Hertel ◽  
C T Kelly
Keyword(s):  
Coefficient Of Variation ◽  
Whole Blood ◽  
Mass Spectrometric ◽  
Spectrometric Method ◽  
Mass Spectrometric Method ◽  
Mass Spectrometric Determination ◽  
Pediatric Populations ◽  
Chromatographic Mass

Abstract We describe a combined gas-chromatographic mass-spectrometric method for determination of theophylline in whole blood. With use of a probability-based matching approach, the extensive gas-chromatographic interference did not affect mass-spectrometric quantitation of theophylline. Concentrations expected and found were linearly related from 1 to 60 mg/liter; the run-to-run coefficient of variation was less than 8%, within-run less than 6%. Some other xan-thines and drugs frequently co-administered with theophylline did not affect results. Only 0.2 ml of blood is required, which makes the procedure useful for monitoring theophylline in newborns and pediatric populations.

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