2013
DOI: 10.1021/es403775v
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Boiling of Simulated Tap Water: Effect on Polar Brominated Disinfection Byproducts, Halogen Speciation, and Cytotoxicity

Abstract: Tap water typically contains numerous halogenated disinfection byproducts (DBPs) as a result of disinfection, especially of chlorination. Among halogenated DBPs, brominated ones are generally significantly more toxic than their chlorinated analogues. In this study, with the aid of ultra performance liquid chromatography/electrospray ionization-triple quadrupole mass spectrometry by setting precursor ion scans of m/z 79/81, whole spectra of polar brominated DBPs in simulated tap water samples without and with b… Show more

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Cited by 116 publications
(62 citation statements)
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“…Another possible parallel mechanism of CHCl 3 formation during water chlorination is decomposition of polar aromatic DBPs (Zhai and Zhang, 2011). Decomposition of trihaloacetic acids, also producing haloforms at relatively high temperatures (Pan et al, 2014) in controlled environment, can simulate processes happening under natural conditions. However, these processes may be distorted by lower temperatures and concentrations of reactants (Table 1.) and by the destruction of unstable intermediate products by subsequent reactions with soil components.…”
Section: Discussionmentioning
confidence: 99%
“…Another possible parallel mechanism of CHCl 3 formation during water chlorination is decomposition of polar aromatic DBPs (Zhai and Zhang, 2011). Decomposition of trihaloacetic acids, also producing haloforms at relatively high temperatures (Pan et al, 2014) in controlled environment, can simulate processes happening under natural conditions. However, these processes may be distorted by lower temperatures and concentrations of reactants (Table 1.) and by the destruction of unstable intermediate products by subsequent reactions with soil components.…”
Section: Discussionmentioning
confidence: 99%
“…This simulated source water was disinfected with 5 mg/L NaOCl as Cl 2 in darkness at~21 ºC for 15 h to generate the simulated tap water. No chlorine residual was detectable in the simulated tap water (20). a The simulated source water was prepared with ultrapure water containing 3 mg/L Suwannee River humic acid as C, 90 mg/L NaHCO3 as CaCO3, and 2 mg/L KBr as Br − (20).…”
Section: Water Sampling and Characterizationmentioning
confidence: 99%
“…No chlorine residual was detectable in the simulated tap water (20). a The simulated source water was prepared with ultrapure water containing 3 mg/L Suwannee River humic acid as C, 90 mg/L NaHCO3 as CaCO3, and 2 mg/L KBr as Br − (20). b Specific UV absorbance.…”
Section: Water Sampling and Characterizationmentioning
confidence: 99%
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