Use of a heated graphite scrubber as a means of reducing interferences in UV-absorbance measurements of atmospheric ozone

by A. A. Turnipseed, P. C. Andersen, C. J. Williford, C. A. Ennis, J. W. Birks
Published 2017-06-01

Portable ozone calibration source independent of changes in temperature, pressure and humidity for research and regulatory applications

by J. W. Birks, C. J. Williford, P. C. Andersen, A. A. Turnipseed, S. Strunk, C. A. Ennis
Published 2018-08-01

Portable calibrator for NO based on the photolysis of N₂O and a combined NO₂∕NO∕O₃ source for field calibrations of air pollution monitors

by J. W. Birks, A. A. Turnipseed, P. C. Andersen, C. J. Williford, S. Strunk, B. Carpenter, C. A. Ennis
Published 2020-03-01

Folded tubular photometer for atmospheric measurements of NO₂ and NO

by J. W. Birks, P. C. Andersen, C. J. Williford, A. A. Turnipseed, S. E. Strunk, C. A. Ennis, E. Mattson
Published 2018-05-01