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Urea is the most popular and economical of all nitrogenous fertilizers being used worldwide, the highest nitrogen concentration in the available solid conditions. Also called carbamide, urea has a wide range of uses beyond fertilizers.
Constituent | Specifications | ||
Appearance | Granules of white color or slightly colored without mechanical impurities | ||
Mass portion of Nitrogen (N) on a dry basis, %,min | 46,2 | ||
Mass portion of biuret, %, max | 1 | ||
The part of mass of moisture, determined by Fisher method, %, max | 0,5 | ||
Granulometry, %: | |||
2 mm to 5 mm, min | 95 | ||
below 1 mm, max | 2 | ||
Static strength of the granules, MPa (kg/cm2), min or on 1 granule basis, N, (kgf), min | 7 (0,7) | ||
Friability, % | 100 |
Constituent | Specifications | ||
Appearance | white prills | ||
Nitrogen content (N), wt %, min | 46,2 | ||
Biuret content, %, max | 1 | ||
Moisture content (determined by Fischer method), wt %, max | 0,5 | ||
Friability, %, min | 100 | ||
Granulometry, % | |||
1 to 4 mm | 94 | ||
2 to 4 mm | 70 | ||
less than 1 mm | 3 | ||
more than 6 mm | none | ||
Static strength: Notless than, kgs | 0,7 |