grado analitico dell'urea BP, USP 500 g

Urea AGR ACS, BP, USP
CH4N2O
Carbammide, Carbonildiammide
M.W: 60,06 CAS: 57-13-6 EC: 200-315-5 TARIC: 31021010

Appearance White granules/crystal. powder
Assay ≥ 99%
Melting range 131 – 134°C
Iron (Fe) ≤ 0.0001%
Solubility in water (H2O) ≤ 0.003%
Acidity ≤ 0.05ml N%
Alkalinity ≤ 0.05ml N%
Copper (Cu) ≤ 0.0001%
Residue on roasting (SO4) ≤ 0.005%
Chloride (Cl–) ≤ 0.0005%
Sulfates (SO4) ≤ 0.001%
Lead (Pb) ≤ 0.0002%
Biuret ≤ 0.1%