Abstract
FIFTEEN years ago the number of those investigating the colloidal state would scarcely have reached double figures, and in the text-books of the period the subject received curt dismissal in a few paragraphs. Had it not been for the connection between colloids and dialysis it would have escaped mention altogether. The general position of the science was but little advanced beyond where Graham in especial, and others, such as Frankenheim, Ludwig, Cloetta, and Payen, had left it half a century earlier. Outside Prof, van Bemmelen's work a few scattered papers, mainly on the precipitating power of salts, or on the imbibition of water by organic jellies, made up the literature of the period. Biologists as a class seemed to have forgotten even the name colloid. Gedenkboek aangeboden aan. J. M. van Bemmelen, 1830“1910. Pp. xxix + 416. (Helder: C. de Boer, 1910.)
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