sell humic acid

  Properties: Black powder, innoxious, odourless. It is a kind of heterogeneous macromolecule hydroxy acid, tiny soluble in the water. It is a weak acid, contains the active groups such as hydroxy, carboxylic and phenolic hydroxyl etc. Quality Standard: Content of humic acid:               60%min    65%min    70%min Moisture:                            15%max    15%max    15%max Particle sizes                       according to buyer’s request   Usage: used as raw material of producing sodium humate, potassium humate, humic acid compound fertilizer and well drilling auxiliary as well as the other humic acid series products, etc.