Methanol CH4O [67-56-1] HPLC-GOLD Ultragradient Grade pack 4x2500 mL

Description: Clear liquid Colour (APHA): <= 10 Identification: Positive Density at 20°C 0.7910 ÷ 0.7930 Refractive index at 20°C 1.3270 ÷ 1.3300 Distillation range: 1.3270 ÷ 1.3300 °C Acidity: <= 0.0003 meq/g Alcalinity <= 0.00006 meq/g Water (K.F.): <= 0,02 % Residue on evaporation: <= 5 ppm Carbonyle compounds (CH3COCH3) <= 20 ppm Ethanol <= 50 ppm Substances reducing KMnO4 (O): <= 2 ppm Assay (GLC): >= 99,9 % at 254 nm <= 1 ppb at 365 nm <= 1 ppb at 210 nm >= 30 % at 220 nm >= 55 % at 225 nm >= 65 % at 235 nm >= 85 % at 240 nm >= 90 % at 250 nm >= 95 % at 260 nm >= 98 % at 235 nm <= 2 mA.U. at 254 nm <= 1 mA.U. HPLC Gradient: Conform Sale only to companies.