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Sample preparation and antibiotic quantification in vinasse generated from sugarcane ethanol fuel production
(2022-03-15)
Vinasse - liquid organic residue derived from the production of sugarcane ethanol fuel, has been applied as soil amendment via fertigation for decades in Brazil. This organic residue is an important source of nutrients and ...
Análise de parabenos em águas superficiais urbanas por extração em fase sólida on-line usando cromatografia líquida acoplada à espectrometria de massas
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação de Mestrado Profissional em Química - PPGQCâmpus São Carlos, 2017-05-24)
Parabens are the most popular antimicrobials used for more than 100 years in personal care products, the most known are methylpaben, ethylparaben, propylparaben and butylparaben. The continued release of these antimicrobials ...
On-line Solid Phase Extraction Coupled With Liquid Chromatography Tandem Mass Spectrometry For The Determination Of Codeine In Human Plasma
(Soc Brasileira QuimicaSão Paulo, 2017)
Rapid determination of 12 antibiotics and caffeine in sewage and bioreactor effluent by online column-switching liquid chromatography/tandem mass spectrometry
(2015-10-07)
This study presents a column-switching solid-phase extraction online-coupled to a liquid chromatography/tandem mass spectrometry (SPE-LC-MS/MS) method for simultaneous analysis of 12 antibiotics (7 sulfonamides and 5 ...
Simultaneous determination of anionic and nonionic surfactants in commercial laundry wastewater and anaerobic fluidized bed reactor effluent by online column-switching liquid chromatography/tandem mass spectrometry
(2017-02-15)
This study presents a new method developed for the simultaneous determination of anionic surfactant (linear alkylbenzene sulfonate – LAS, 4 homologs) and nonionic surfactant (linear alcohol ethoxylate – LAE) in commercial ...