Potassium nitrate solubility is 100% and the solubility of potassium nitrate decreases with the increase of nitric acid concentration, and increases when the minimum value is reached, and the solubility of potassium nitrate in water increases with the increase of temperature.
Potassium nitrate is 100% plant nutrient. It is all soluble in water and has no residual harmful substances. As a large number of necessary elements needed for the crops growth, nitrate nitrogen and potassium contained in potassium nitrate. And they have a good synergistic effect, which can promote the absorption of crops and promote the absorption of other nutrients. The ratio of nitrogen and potassium contained in the fertilizer is 1:3 (general crops absorb nitrogen and potassium in this ratio), and it can be absorbed and utilized by crops in a balanced and rapid manner during the peak season of crop fertilizer. Potassium nitrate has no chlorine and no sodium, low salt index, good water solubility, but it is not hygroscopic. Its advantage is not only with high nutrient content, but also with rapid fertilizer effect. By using the fertilizer of potassium nitrate, it can enhance the output of agricultural products and crops, improve the quality, advance maturity , enhance resistance, extend the shelf life, and promote to increase the contents of vitamin and sugar in the fruits and vegetables.
Application Field and Methods for use
1. Soil: Potassium nitrate can be applied alone or with other fertilizers, or with urea if more nitrogen is needed. If more phosphorus is needed, it can be applied with ammonium phosphate.
2. Flushing: Dilution 500-800 times flushing.
3. Leaf spraying: Dilution 300-500 times can be mixed with acid pesticides, spraying in the early morning or evening.
4. Kind Notice: If the product is stored for a long time, if there is caking, it will not affect its effect.
Product Specification
|
Index name |
|
High purity |
Fine grade |
Industrial grade |
Agricultural grade |
|
Potassium nitrate (KNO3) |
≥ |
99.9% |
99.7% |
99.4% |
99.0% |
|
Moisture |
≤ |
0.10% |
0.10% |
0.10% |
0.10% |
|
Chloride (as Cl-) |
≤ |
0.005% |
0.02% |
0.03% |
0.03% |
|
Water Insoluble Matter |
≤ |
0.005% |
0.01% |
0.01% |
0.02% |
|
Sulfate (as SO42-) |
≤ |
0.003% |
0.02% |
0.02% |
--- |
|
Fe |
≤ |
0.001% |
0.003% |
0.003% |
--- |
|
Potassium oxide (K2O) |
≥ |
--- |
--- |
--- |
46.0% |
|
N |
≥ |
--- |
--- |
--- |
13.5% |
Packing, Storage, Handling and Transportation
Packing: Plastic bag lined woven bag or plastic-paper bag, Net wt. 25/500/1000KG or according to the clients’ requirements.
Storage: Sealed in cool and dry places, avoid rain and insolation.
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