Douglas B Mawhinney

Summary

Affiliation: Southern Nevada Water Authority
Country: USA

Publications

  1. ncbi Transformation of 1H-benzotriazole by ozone in aqueous solution
    Douglas B Mawhinney
    Applied Research and Development Center, Southern Nevada Water Authority, PO Box 99954, Las Vegas, Nevada 89193 9954, United States
    Environ Sci Technol 46:7102-11. 2012
  2. ncbi Characterization of fulvic acids by liquid chromatography-quadrupole time-of-flight mass spectrometry
    Douglas B Mawhinney
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    J Chromatogr A 1216:1319-24. 2009
  3. ncbi Artificial sweetener sucralose in U.S. drinking water systems
    Douglas B Mawhinney
    Southern Nevada Water Authority, Las Vegas, Nevada 89193, USA
    Environ Sci Technol 45:8716-22. 2011
  4. ncbi Pilot-scale evaluation of ozone and biological activated carbon for trace organic contaminant mitigation and disinfection
    Daniel Gerrity
    Applied Research and Development Center, Southern Nevada Water Authority, River Mountain Water Treatment Facility, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Water Res 45:2155-65. 2011
  5. ncbi Real-time detection and identification of aqueous chlorine transformation products using QTOF MS
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, Nevada 89193 9954, USA
    Anal Chem 80:4193-9. 2008
  6. ncbi Assessment of sample preservation techniques for pharmaceuticals, personal care products, and steroids in surface and drinking water
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Anal Bioanal Chem 399:2227-34. 2011
  7. ncbi Two new methods of synthesis for the perbromate ion: chemistry and determination by LC-MS/MS
    Aleksey N Pisarenko
    Southern Nevada Water Authority, Applied Research and Development Center, P O Box 99954, Las Vegas, Nevada 89193, USA
    Inorg Chem 50:8691-3. 2011

Detail Information

Publications7

  1. ncbi Transformation of 1H-benzotriazole by ozone in aqueous solution
    Douglas B Mawhinney
    Applied Research and Development Center, Southern Nevada Water Authority, PO Box 99954, Las Vegas, Nevada 89193 9954, United States
    Environ Sci Technol 46:7102-11. 2012
    ..Lastly, it was confirmed that the same transformation products formed in surface water and tertiary-treated wastewater, although they were observed to degrade at higher ozone doses...
  2. ncbi Characterization of fulvic acids by liquid chromatography-quadrupole time-of-flight mass spectrometry
    Douglas B Mawhinney
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    J Chromatogr A 1216:1319-24. 2009
    ..Lastly, the analysis of even and odd mass (at m/z 1 greater) ion intensity ratios revealed a correlation to the percent nitrogen of the various standards...
  3. ncbi Artificial sweetener sucralose in U.S. drinking water systems
    Douglas B Mawhinney
    Southern Nevada Water Authority, Las Vegas, Nevada 89193, USA
    Environ Sci Technol 45:8716-22. 2011
    ..e., tap) water, as well as an indicator compound for the presence of other recalcitrant compounds in finished drinking water in the U.S...
  4. ncbi Pilot-scale evaluation of ozone and biological activated carbon for trace organic contaminant mitigation and disinfection
    Daniel Gerrity
    Applied Research and Development Center, Southern Nevada Water Authority, River Mountain Water Treatment Facility, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Water Res 45:2155-65. 2011
    ..Several issues, including regrowth of coliform bacteria in the BAC process, must be addressed prior to full-scale implementation...
  5. ncbi Real-time detection and identification of aqueous chlorine transformation products using QTOF MS
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, Nevada 89193 9954, USA
    Anal Chem 80:4193-9. 2008
    ..Atorvastatin underwent hydroxylation to form two transformation products with the empirical formulas C33H34FN2O6 (1.8 ppm mass error) and C26H29O5NF (2.9 ppm mass error)...
  6. ncbi Assessment of sample preservation techniques for pharmaceuticals, personal care products, and steroids in surface and drinking water
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Anal Bioanal Chem 399:2227-34. 2011
    ..Results suggest that if improper protocols are utilized, reported concentrations of target PPCPs and steroids may be inaccurate...
  7. ncbi Two new methods of synthesis for the perbromate ion: chemistry and determination by LC-MS/MS
    Aleksey N Pisarenko
    Southern Nevada Water Authority, Applied Research and Development Center, P O Box 99954, Las Vegas, Nevada 89193, USA
    Inorg Chem 50:8691-3. 2011
    ..Furthermore, it was discovered that the perbromate ion was also formed as a result of the electrospray ionization process. Selective reduction of the bromate ion prior to analysis was used to confirm the two formation pathways...