Alena Röberová
tel. +420 476 163 320
fax. +420 476 163 517
alena.roberova@unipetrol.cz
Ing. Hana Kleinová
tel. +420 476 164 251
fax. +420 476 163 517
hana.kleinova@unipetrol.cz
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General Characteristics
Urea is formed by white pellets easily soluble in water. It is manufactured by ammonia and carbon dioxide synthesis. Urea is surface treated by anticaking agent. Product is not classified as dangerous according to EC Directives.
CAS: 57-13-6
Technical urea is used for the manufacture of plastics, adhesives, textile industry and other purposes.
| Parameter | Unit | Value Urea to fertilization |
Value Technical urea |
Test Method |
|---|---|---|---|---|
| Total nitrogen content | % wt. | min. 46.0 | min 46.0 | Calculation |
| Biuret content | % wt. | max. 0.8 | max. 0.6 | VIS spectrophotometry |
| Content particles 0,5 - 2,5 mm | % wt. | min. 90.0 | - | Dynamic processing of digital images |
| Content particles 1 - 3,15 mm | % wt. | - | max. 90 | Dynamic processing of digital images |
| Moisture content | % wt. | - | max. 0.5 | KF titration (biamperometry) |
| Free ammonia content | % wt. | - | max. 0.02 | Potentiometric titration |
| Substances insoluble in water | % wt. | - | max. 0.005 | Gravimetry |
| Iron content (as Fe2+) | % wt. | - | max. 0.0002 | VIS spectrophotometry |
| pH value of 10% solution | % wt. | - | min. 9 | Potentiometry |
| Strew (as the content of non-clotted particles) | % wt. | min. 96.0 | min. 96.0 | Sieve analysis |
* Strew verified at the request of customer by authorized Central agricultural control and testing institute
Packaging, Storage, Transportation
Urea is delivered in polyethylene bags (50 kg - 1,200kg/palette a 25 kg - 1,375 kg/palette) or in bulk in covered rail wagons or in transportation means of the customers.
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