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Ammonium lactate is a compound with formula NH 4 (C 2 H 4 (OH)COO). It is the ammonium salt of lactic acid. It has mild anti-bacterial properties. It has E number "E328" and is the active ingredient of the skin lotions Amlactin and Lac-Hydrin. [1] Ammonium lactate is the chemical combination of lactic acid and ammonium hydroxide.
The combination of urea and ammonium nitrate has an extremely low critical relative humidity (18% at 30 °C) and can therefore only be used in liquid fertilizers. The most commonly used grade of these fertilizer solutions is UAN 32.0.0 (32%N) known as UN32 or UN-32, which consists of 45% ammonium nitrate , 35% urea and only 20% water.
Ammonia solution, also known as ammonia water, ammonium hydroxide, ammoniacal liquor, ammonia liquor, aqua ammonia, aqueous ammonia, or (inaccurately) ammonia, is a solution of ammonia in water. It can be denoted by the symbols NH 3 (aq). Although the name ammonium hydroxide suggests a salt with the composition [NH + 4][OH −
An additional proof of the chemical transformation is obtained by adding a solution of oxalic acid which forms urea oxalate as a white precipitate. [3] Alternatively the reaction can be carried out with lead cyanate and ammonia. [4] The actual reaction taking place is a double displacement reaction to form ammonium cyanate:
Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water. DEF is consumed in a selective catalytic reduction (SCR) that lowers the concentration of nitrogen oxides (NO x) in the diesel exhaust emissions from a diesel engine. [4]
Urea cream is indicated for debridement and promotion of normal healing of skin areas with hyperkeratosis, particularly where healing is inhibited by local skin infection, skin necrosis, fibrinous or itching debris or eschar. [5] Specific condition with hyperkeratosis where urea cream is useful include: Dry skin and rough skin [5] Dermatitis [5]
Ammonium cation [NH 4] + forms hydrogen bonds with cyanate anion O=C=N −, but to N, not to O. [1] The compound is notable as the precursor in the Wöhler synthesis of urea, an organic compound, from inorganic reactants. [2] This led to the discarding of the Vital force theory, suggested earlier by Berzelius. NH + 4 + OCN − → (NH 2) 2 CO [3]
It is left behind in the residues after extracting the urea from dried urine crystals with alcohol. In the mineral form, microcosmic salt is called stercorite . Its name was coined in Latin ( sal microcosmicum ) by Paracelsus in the 16th century, but it was also referenced by Pseudo-Geber in the late Middle Ages; another alchemical name for it ...