Published October 31, 1956 | Version v1

STUDIES ON THE NATURE OF HUMUS AND CLAY-HUMUS COMPLEX

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The acidic character of humus is attributed to the presence of both phenolic and carboxylic groups. The adsorption of humus by clay suspensions has been found to be enhanced in presence of metal ions, and a portion of the adsorbed humus cannot be extracted by alkali.

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