Nil Ratan
Dhar, Indian physical chemist (Jessore, Bangladesh 02 January 1892 – Allahabad,
Uttar Pradesh State 05 December 1986) Authored over 450 original papers on electrochemistry, catalysis,
velocity of reactions, colloid chemistry, photochemical processes and soil
reactions ACHIEVEMENTS
With D.N. Bhattacharya determined the mobility of ions at zero degree
temperature and the transport number of nitrite ion by electrolysis of a
solution of silver nitrate With A.K. Dutta determined the second dissociation constant of dibasic
acids Concluded that tropical sunlight is one of the governing factors in
various chemical processes that occur in soils such as nitrification Discovered the influence of light on nitrogen fixation and loss in soils
Discovered the relationship between the nitrogen and phosphate status of
soils Established that sunlight and phosphates enhance nitrogen fixation in
soils by slow oxidation of organic matter A new method of nitrogen fixation and conservation and reclamation of
alkali lands. Proc. Indian Acad. Sci. (1935) Suggested that many compounds that are formed in the atmosphere result from light-induced reactions (1930s) |
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