Assertion: urea | /r/HasProperty | produced
Facets:
value: commercially
type: MANNER
value: from carbon dioxide
type: OTHER
value: from synthetic ammonia
type: OTHER
value: from two raw materials
type: OTHER
value: from ammonia
type: CAUSE
value: naturally
type: MANNER
Source sentences:
text: Also, urea is produced when phosgene reacts with ammonia:
text: Urea or carbamide—a source of nitrogen—is the major fertilizer material and is produced
text: Urea can also be produced by heating ammonium cyanate to 60 °C.
text: Urea is naturally produced when the liver breaks down protein or amino acids, and ammonia.
text: Urea is produced commercially from two raw materials, ammonia and carbon dioxide.
text: Urea is produced commercially from synthetic ammonia and carbon dioxide.
text: In 1870 urea was produced by heating ammonium carbamate in a sealed vessel.
text: Urea is commercially produced from two types of raw materials: ammonia and carbon dioxide.
text: Urea is commercially produced from synthetic ammonia and carbon dioxide.
text: Urea or carbamide—a source of nitrogen—is the major fertilizer material and is produced
text: : Urea is produced from synthetic ammonia and carbon dioxide.
text: Friedrich Wöhler ‘s discovery in 1828 that urea can be produced from inorganic starting materials was an important conceptual milestone in chemistry.