An Explanation of the Liesegang Phenomenon
Carel Jan van Oss, P. Hirsch‐Ayalon · Science · 1959
Periodic band precipitation in porous media is explained by means of the Hirsch effect (specific semipermeability of the precipitate occurring only as long as both the precipitate-forming ions are present). The possibility of getting Liesegang bands in immunological precipitates is underlined, and a suggestion is made how to avoid them.