An introduction to the study of colour vision (1915)
Parsons, John Herbert, Sir, 1868-1957 · Cambridge [Eng.] University Press; New York, G. P. Putnam's Sons · leaf 129
CHEMICAL EQUILIBRIA 113 sets of observations. Strangely enough there are two observations for 72 = 0-675 which differ from each other by not less than a third of the value, but the mean value is in perfect accordance with the calculated value. If we now take 72 = 0-25 as the value of A, we find… … in equivalents FIG. 30. 1-4 (obs. 0-6) lethal doses. This different action of the different quantities of antitoxin is termed EHRLICH'S phenomenon. This peculiarity is just what we might expect if the bond is rather weak, so that a part of the compound is dissociated. The progress of neutralization…
Color vision
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