-
anhydrous alcohol added to
extract the
urea. This
solution is
drained off and evaporated,
leaving pure
urea.
Ureas in the more
general sense can be accessed...
-
Generally ureas are
colorless crystalline solids, which,
owing to the
presence of
fewer hydrogen bonds,
exhibit melting points lower than that of
urea itself...
- The
urea cycle (also
known as the
ornithine cycle) is a
cycle of
biochemical reactions that
produces urea (NH2)2CO from
ammonia (NH3).
Animals that use...
-
Blood urea nitrogen (BUN) is a
medical test that
measures the
amount of
urea nitrogen found in blood. The
liver produces urea in the
urea cycle as a waste...
- medicine, the
urea-to-creatinine
ratio (UCR),
known in the
United States as BUN-to-creatinine ratio, is the
ratio of the
blood levels of
urea (BUN) (mmol/L)...
-
Urea-formaldehyde (UF), also
known as
urea-methanal, so
named for its
common synthesis pathway and
overall structure, is a
nontransparent thermosetting...
-
permitting the use of sulfur-coated
ureas on
putting greens. Polymer-coated
urea, also
called plastic-coated
urea, or PCU,
fertilizers can
permit a more...
-
Urea phosphate is a 1:1
combination of
urea and
phosphoric acid that is used as a fertilizer. It has an NPK
formula of 17-44-0, and is
soluble in water...
-
Hydrogen peroxide–
urea (also
called Hyperol, artizone,
urea hydrogen peroxide, and UHP) is a
white crystalline solid chemical compound composed of equal...
-
Urea nitrate is a fertilizer-based high
explosive that has been used in
improvised explosive devices in Afghanistan, ****stan, Iraq, and
various terrorist...