Urea
Physico-chemical property:
Molecular formula: CH4N2O
Molecular weight: 60.06
CAS:57-13-6
Executive standard:GB/T 696-94
| 质检项目 | 指标值 |
| 氯化物(Cl),% | ≤0.0003 |
| 硫酸盐(SO4),% | ≤0.001 |
| 灼烧残渣(以硫酸盐计),% | ≤0.01 |
| 水不溶物,% | ≤0.005 |
| 重金属(以Pb计),% | ≤0.0002 |
| 铁(Fe),% | ≤0.0002 |
| 缩二脲(C2H5N3O2),% | ≤0.2 |
| 氨(NH3),% | ≤0.005 |
| 澄清度试验/号 | ≤2 |
| 含量,% | ≥99.0 |

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