History of the Ammonia Process

Though the composition of ammonia had already been ascertained by C.L. Berthollet in 1785, the direct synthesis of ammonia from the elements was 

Recognizing the work on the development of the Haber-Bosch process, the Nobel Prize for chemistry was awarded to Haber for the synthesis of ammonia from the elements in 1918 and also to Bosch (together with F. Bergius) for their contributions to the invention and development of chemical high-pressure methods in 1931. 

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