MAP
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Product Description
Chemical Name: Ammonium dihydrogen phospha
Molecular formula: NH4H2PO4
Molecular weight: 115.03
CAS No.: 7722-76-1
EINECS :231-764-5
▏Properties
MAP is white crystalline, stable in the air. Aqueous solution is acidic. Solubility in water at room temperature (20 ℃) is 353g/l. The relative density is 1.803. The melting point is 190 ℃. Refractive index is 1.525.
▏Composition
NO. | TEST | SPECIFICATION |
1 | Appearance | White crystal |
2 | Assay | ≥99.00% |
3 | P₂O₅ | ≥61.0% |
4 | Total Nitrogen (N) | ≥12.0% |
5 | pH | 4.0-4.8 |
6 | Insoluble matter in water | ≤0.1% |
7 | Moisture | ≤0.3% |
▏Application method
▪ Soil application with flood irrigation: 60 kg/Hectare (Apply every 15-20 day.Total application times: 4/season)
▪ Soil application with drip irrigation: 15-20 kg/Hectare (Apply every 3days.Total application times: 24/2 months)
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