尿素
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产品品类：化学产品
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查看（品種）： Brand A
描述
|
Name of indicator |
Higher grade |
1st grade |
|
Mass fraction of nitrogen in terms of dry matter, %, not less than |
46,3 |
46,2 |
|
Mass fraction of biuret, %, no more |
0,6 |
1,4 |
|
Mass fraction of free ammonia, %, no more, for urea: - crystalline - granulated |
0,01 0,02 |
0,01 0,03 |
|
Mass fraction of water, %, not more than: - hygroscopic - general |
0,3 0,6 |
0,3 0,6 |