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Send EmailPotassium Humate, Potassium Humic Acid, Dipotassium Humate, 68514-28-3
⚙️ Physical & Chemical Properties
| Property | Value / Description |
|---|---|
| Chemical Formula | C₉H₈K₂O₄ |
| Molecular Weight | 258.35 g/mol |
| Appearance | Black powder or granules |
| Density | ~1.5 g/cm³ (at 20°C) |
| Solubility | Fully soluble in water (approx. 279 g/L @ 20°C) |
| pH | 9.0–10.0 (alkaline) |
| Boiling Point | ~640°C |
| Flammability | Non-flammable |
🌿 Applications
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Agriculture: Organic potassium fertilizer, soil conditioner, and root stimulator
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Crop Nutrition: Enhances yield and quality when used with NPK fertilizers
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Soil Improvement: Increases cation exchange capacity, buffers salt toxicity
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Stress Resistance: Improves drought, cold, and disease tolerance
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Organic Farming: Suitable for REACH, GOTS-certified systems
📏 Recommended Dosages
| Application Method | Dosage / Concentration |
|---|---|
| Soil Application | 10–20 kg/hectare (with base fertilizers) |
| Foliar Spray | 1–3 L/hectare (0.1–0.3% solution) |
| Seed Treatment | 1–2 g/kg seed |
| Hydroponics | 50–200 ppm |
🔄 Alternatives
| Compound | CAS No. | Notes |
|---|---|---|
| Sodium Humate | 68131-04-4 | Lower potassium content |
| Fulvic Acid | 479-66-3 | Low molecular weight, higher bioactivity |
| Humic Acid | 1415-93-6 | Non-potassium form |
| Seaweed Extract | 68917-51-1 | Rich in natural growth hormones |
🧾 Synonyms & Trade Names
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Potassium Humic Acid
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Dipotassium humate
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Potassium leonardite extract
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Humic acids, potassium salts
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Shiny potassium humate flakes
🏭 Production Method
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Raw Material: Leonardite (oxidized lignite)
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Process Steps:
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Extraction with potassium hydroxide (KOH)
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Filtration to isolate soluble fractions
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Drying and granulation
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Additives: May include chelators, surfactants, stabilizers depending on formulation
