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 ...

Burning fuels at high temperatures, such as in engines and boilers, emits about 100 million metric tons of nitric oxide and nitrogen dioxide worldwide every year. These so-called NO x emissions lead ...

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FOR the analysis of the nitrate content of sea water, and for certain tests on alkaloids, it is necessary to have sulphuric acid free from all but the most minute amounts of nitric acid. After testing ...