NEW VWR AnalaR NORMAPUR Urea 28877.260 500g Exp 09-2020
VWR AnalaR NORMAPUR Urea 28877.260 500g Exp: 09-2020 Best Before: 09-2020 Note: There are 6 Left. Specification Test Results Assay 100.1 % Appearance of solution (10 %; water) Clear and colourless IR Spectrum Passes test Solution S Passes test Acidity Max. 0.0005 meq/g Alkalinity Max. 0.0005 meq/g Melting point 132 - 134 °C Biuret Max. 0,1% Heavy metals (as Pb) Max. 4 ppm Ignition residue (SO4) Max. 50 ppm Insolubility in water Max. 30 ppm Loss on drying (100-105°C) Max. 1.0 % Cl (Chlo