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for the services rendered through his research into the constitution of the sterols and their connection with the vitamins
for his investigations of the constitution of the bile acids and related substances
for his work on disperse systems
for his demonstration of the heterogenous nature of colloid solutions and for the methods he used, which have since become fundamental in modern colloid chemistry
for his invention of the method of micro-analysis of organic substances
for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole-number rule
for his contributions to our knowledge of the chemistry of radioactive substances, and his investigations into the origin and nature of isotopes
in recognition of his work in thermochemistry
for the synthesis of ammonia from its elements
for his researches on plant pigments, especially chlorophyll
in recognition of his accurate determinations of the atomic weight of a large number of chemical elements
in recognition of his work on the linkage of atoms in molecules by which he has thrown new light on earlier investigations and opened up new fields of research especially in inorganic chemistry
for the discovery of the so-called Grignard reagent, which in recent years has greatly advanced the progress of organic chemistry
for his method of hydrogenating organic compounds in the presence of finely disintegrated metals whereby the progress of organic chemistry has been greatly advanced in recent years
in recognition of her services to the advancement of chemistry by the discovery of the elements radium and polonium, by the isolation of radium and the study of the nature and compounds of this remarkable element
in recognition of his services to organic chemistry and the chemical industry by his pioneer work in the field of alicyclic compounds
in recognition of his work on catalysis and for his investigations into the fundamental principles governing chemical equilibria and rates of reaction
for his investigations into the disintegration of the elements, and the chemistry of radioactive substances
for his biochemical researches and his discovery of cell-free fermentation
in recognition of the great services rendered by him in his investigation and isolation of the element fluorine, and for the adoption in the service of science of the electric furnace called after him
in recognition of his services in the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds
in recognition of his services in the discovery of the inert gaseous elements in air, and his determination of their place in the periodic system
in recognition of the extraordinary services he has rendered to the advancement of chemistry by his electrolytic theory of dissociation
in recognition of the extraordinary services he has rendered by his work on sugar and purine syntheses
in recognition of the extraordinary services he has rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions
