Determination of bisphenol A in barreled drinking water by a SPE–LC–MS method

Efficient charge separation and improved photocatalytic activity in Type-II & Type-III heterojunction based multiple interfaces in BiOCl0.5Br0.5-Q: DFT and Experimental Insight

“…Furthermore, a significant increment in photocatalytic degradation towards MO and BPA was observed. Based on the identified reaction intermediates, by-products (using HPLC and LCMS) (Hao, 2020;Li et al, 2014;Jiang et al, 2015b;Yu et al, 2015a;Sajid et al, 2018;Fu et al, 2018;Siao et al, 2018;Chen et al, 2018;Lee and Wang, 2019)- (Hao, 2020;Li et al, 2014;Jiang et al, 2015b;Yu et al, 2015a;Sajid et al, 2018;Fu et al, 2018;Siao et al, 2018;Chen et al, 2018;Lee and Wang, 2019), and reactive species (using quenching studies) (Chen et al, 2018;Lee and Wang, 2019;Liu et al, 2020;Chou et al, 2021;Siao et al, 2019), the visible light photogenerated charge transfer mechanism between coupled oxyhalides and quercetin was inferred. Also, our DFT-based computational studies provided an insightful understanding and plausible mechanism for the improved photocatalytic activity in our samples.…”

A fast, low-cost and eco-friendly method for routine determination of Bisphenol-A in landfill leachate employing vortex assisted liquid-liquid extraction

“…For that, a pre-concentration and/or clean-up step have been used to prepare the sample prior to extraction and analytical determination of BPA, allowing the quantification of BPA at trace levels in water and plastic materials as toys. [10,11]. In general, the sample preparation has been performed by methods based on liquid or solid phase extraction.…”

“…Modifications as solid phase microextraction (SPME) have also been observed for BPA extraction. On the other hand, liquid-liquid extraction (LLE) methods are based on the usage of solvents to extract and separate the analyte from the matrix, usually in an aqueous and organic phase [7,11,13,14]. SPE and LLE have been used and adapted for years and their application is well dependent to the matrix composition, sample properties and concentration.…”

“…Different GC and HPLC setups have already been described. The mass spectrometry (MS), ultraviolet (UV) and fluorescence are detectors frequently used in HPLC, while in GC the MS have been more applied for the detection of BPA [3,5,[10][11][12][13][14][15]. In this work, the usage of HPLC with diode-array detector has been chosen due advantages as the simultaneous acquisition in different wavelengths, improving the separation of peaks, an important factor to be considered when working with complex matrices as leachate [11,14,15].…”

“…The mass spectrometry (MS), ultraviolet (UV) and fluorescence are detectors frequently used in HPLC, while in GC the MS have been more applied for the detection of BPA [3,5,[10][11][12][13][14][15]. In this work, the usage of HPLC with diode-array detector has been chosen due advantages as the simultaneous acquisition in different wavelengths, improving the separation of peaks, an important factor to be considered when working with complex matrices as leachate [11,14,15]. The challenges of controlling the destiny of USW to landfills and aware society of a responsible waste discard is aggravated by the analytical limitations of detection and quantification methods for BPA in complex matrices.…”