Basic Info.

Product Description

potassium humate is a kind of high polymer heterogeneous aromatic hydroxyl carboxylate. it is obtained by alkaline extraction of lignite or brown coal or leonardite. it is water soluble, contains hydroxyl, carboxylate and other active groups, has the functions of chelation, complexing, ion exchange, floc, dispersion and adhesion. appearance : black powder solubility in water: highly soluble humic acid (dry base): 70 % minimum k2o (dry base) : 10 % minimum ph : 9-10