Determination of phosphoric acid mono-and diesters in municipal wastewater by solid-phase extraction and ion-pair liquid chromatography-tandem mass …
JB Quintana, R Rodil, T Reemtsma
Index: Quintana, Jose Benito; Rodil, Rosario; Reemtsma, Thorsten Analytical Chemistry, 2006 , vol. 78, # 5 p. 1644 - 1650
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Citation Number: 58
Abstract
The first analytical method for the determination of 13 phosphoric acid mono-and diesters from aqueous samples is presented. The method consists of solid-phase extraction (SPE) and ion-pair liquid chromatographic separation with tri-n-butylamine coupled to electrospray ionization tandem mass spectrometry in the negative ion mode. Due to a lack of pure standards, only 3 of the 13 esters could be quantified. SPE recoveries ranged from 71 to ...
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