Thermodynamische Begründung des photochemischen Äquivalentgesetzes. Erstdruck, in: Annalen der Physik. Vierte Folge, Bd. 37. Lpz., Barth 1912. (S. 832-838). Mod. Kart.

Weil 46. - "The fundamental law of modern photochemistry, according to which each molecule taking part in a photochemical reaction first absorbes one quantum of energy corresponding with the frequency of the radiation absorbed. This is the primary process in every photochemical reaction" (Partington IV, 726).

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