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Formula | KNO3 |
Molecular weight | 101.10 |
CAS | 7757-79-1 |
Properties | Colorless and transparent rhombic crystals or white powder. |
Uses | Mainly applied in TV kinescope glass, glass refining agent and car head lights. Compound fertilizer and foliar spray fertilizer for crop and flower; fireworks to produce purple colors and black powder in mine, ignition wire and firecracker; drugs as penicillin potassium salt in medicine industry and catalyst; ceramic and enamel; salt bath of heat treatment, cigarette paper, concentrating agent; conservatives in salted meat and chromogen in food industry. |
Packing | In 25/50/500/1000kg PP/PE bag or on customer request. |
Storage | In a cool, ventilated and dry warehouse, away from moisture, heat or kindling. Avoid mixing with organic compound or sulfur or reducer during storage and transportation in case of explosion. Protect from the sun and rain during transportation. Carefully load and unload in case of accident. |
Inspection Items | Unit | Industrial Grade | First Grade | Agricultural Grade |
Purity | % ≥ | 99.8 | 99.4 | 97.5 |
Moisture | % ≤ | 0.10 | 0.10 | - |
Chloride(as Cl-) | % ≤ | 0.01-0.03 | 0.02 | 0.80 |
Sulphate(as SO42-) | % ≤ | 0.01 | 0.01 | - |
Water-Insolubles | % ≤ | 0.01 | 0.02 | - |
Fe | % ≤ | 0.003 | - | - |
Hygroscopicity | % ≤ | 0.25 | 0.30 | - |
K2O | % ≥ | - | - | 46 |
Nitrogen (In Nitrate) | % ≥ | - | - | 13.5 |
Particle Size | MM | 0.2-2.5 or 2-5 |