| Customization: | Available |
|---|---|
| CAS No.: | 57-13-6 |
| Formula: | CH4n2o |
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| Index name | Industrial Grade | Agricultural Grade | ||||
| Superior | First-rate | qualified | Superior | First-rate | qualified | |
| color | White color | White or light color | ||||
| Total nitrogen (N) content (dry basis),% ≥ | 46.3 | 46.3 | 46.3 | 46.3 | 46.3 | 46.3 |
| Biuret content,% ≤ | 0.5 | 0.9 | 1.0 | 0.9 | 1.0 | 1.5 |
| Content of water (H2O),% ≤ | 0.3 | 0.5 | 0.7 | 0.5 | 0.5 | 1.0 |
| Iron content (Fe),% ≤ | 0.0005 | 0.0005 | 0.0010 | - | - | - |
| The alkalinity (NH3 meter),% ≤ | 0.01 | 0.02 | 0.03 | - | - | - |
| Sulfate content (in SO) 4-2 meter),% ≤ | 0.005 | 0.010 | 0.020 | - | - | - |
| Water insoluble matter,% ≤ | 0.005 | 0.010 | 0.040 | - | - | - |
| Particle size (φ 0.85-2.80mm),% ≥ | 90 | 90 | 90 | 90 | 90 | 90 |

