Nitric acid and ammonia are the two important reactive forms of nitrogen, which are widely used in human life and production. In 2017, the worldwide production of HNO3 and NH3 was estimated to be 50 ...

A new mechanism was discovered in a study published in the journal Nature, which suggests that nitric acid, sulphuric acid and ammonia can together form aerosol particles and ice nuclei much more ...

Modern fertilizer manufacturing uses the Haber-Bosch and Ostwald processes to fix aerial nitrogen as ammonia, then oxidize the ammonia to nitric acid. Having already created a Haber-Bosch reactor for ...

An illustration of atmospheric inhomogeneities in a megacity, showing “large eddy simulations” of Hong Kong superimposed on a composite London skyline. The resulting inhomogeneities in ammonia and ...

When winter smog takes over Asian mega-cities, more particulate matter is measured in the streets than expected. An international team has now discovered that nitric acid and ammonia contribute to the ...