Potassium humate

Potassium humate (CAS 68514-28-3 ), derived from leonardite or lignite through alkaline extraction, is the potassium salt form of humic acid used commercially as a soil conditioner, micronutrient chelator, and water treatment agent.

It improves nutrient availability and soil structure in agricultural programs, while also functioning as a flocculant in industrial water systems. In crop nutrition programs, it chelates iron, zinc, and manganese.

This process keeps micronutrients in plant-available form and reduces fertilizer lock-up in high-pH soils. It is applied as a standalone soil drench, blended into NPK liquid fertilizers, or incorporated into slow-release granules.

These formulations are ideal for row crops, horticulture, and turf management. In water treatment, it acts as a coagulation aid and flocculant, helping to remove suspended solids and organic matter from effluent streams.

Feed and soil amendment manufacturers also use it as a buffering agent to stabilize pH in liquid concentrate products. Potassium humate is supplied as a black powder, flakes, or concentrated liquid solution.

Standard grades include technical-grade powder with defined humic acid content, typically 70 to 85 percent on a dry basis. Soluble flake grades are optimized for fertigation and foliar application systems.

Agricultural-grade and water treatment-grade specifications are the most commonly traded forms in bulk and bagged packaging. These products meet rigorous industrial and agricultural quality standards for global distribution.

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