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化学名称：碳酰二胺
分子式：CO(NH2)2
分子量：60.06
性状：无色结晶或白色结晶性粉未。易溶于水。
| 含量[CO(NH2)2]不少于 | 99.0% |
| 杂质最高含量(指标以%计) | |
| 澄清度试验 | 合格 |
| 灼烧残渣(以硫酸盐计) | 0.01 |
| 水不溶物 | 0.005 |
| 氯化物(Cl) | 0.0003 |
| 硫酸盐(SO4) | 0.001 |
| 氨(NH3 ) | 0.005 |
| 铁(Fe) | 0.0002 |
| 重金属(以Pb计) | 0.0002 |
| 缩二脲(C2H5N3O2) | 0.2 |
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