Abstract
Short path gas cell Fourier transform infrared spectroscopy was used to analyze the production of hydrochloric acid (HCl) gas from the reaction of sodium chloride (NaCl) particles and sulfuric acid (H2SO4) or nitric acid (HNO3) at a range of relative humidity (2–95 %). HCl was produced from both acids, and reached equilibrium in 10 min for both H2SO4 and HNO3 acids. The equilibrium is thought to be a result of two competing reactions which produce HCl and sequester it back into the NaCl particles. The HCl production from H2SO4 was instantaneous, but its production from HNO3 involved an induction period of a few minutes. The equilibrium HCl conditions observed here have implications in influencing the pH of aerosol particles, and consequently the acidity of precipitation in the atmosphere.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.