Humic Acid
Humic Acid and Humate
Humus acid, Hy-matomelanic acid, and fulvic acid are collectively referred to as humic acid. Among them, fulvic acid has the smallest molecular size. These three types of humic acids have different solubilities in different solvents and can be separated accordingly. Humus acid is only soluble in alkali, hy-matomelanic acid is soluble in alkali as well […]