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Processes that can produce states of broken chiral symmetry are of particularinterest to physics, chemistry and biology. Chiral symmetry breaking duringcrystallization of sodium chlorate occurs via the production of secondarycrystals of the same handedness from a single "mother crystal" that seeds thesolution. Here we report that a large and "symmetric" population of D- andL-crystals moves into complete chiral purity disappearing one of theenantiomers. This result shows: (i) a new symmetry breaking processincompatible with the hypothesis of a single "mother crystal"; (ii) thatcomplete symmetry breaking and chiral purity can be achieved from an initialsystem with both enantiomers. These findings demand a new explanation to theprocess of total symmetry breaking in crystallization without the interventionof a "mother crystal" and open the debate on this fascinating phenomenon. Wepresent arguments to show that our experimental data can been explained with anew model of "complete chiral purity induced by nonlinear autocatalysis andrecycling".Comment: 5 pages, 4 figures, Added reference

Chiral Symmetry Breaking During Crystallization: Complete Chiral Purity Induced by Nonlinear Autocatalysis and Recycling