METANOL HPLC GRAU GRADIENTE LICHROSOLV MERCK - 4L

METANOL HPLC GRAU GRADIENTE LICHROSOLV Reag. Ph Eur MERCK EMBALAGEM EM VIDRO Embalagem 4L Especificações: Purity GC min 99.9 % Identity IR conforms Residue on evaporating max 2.0 mg/l Water max 0.02 % Colour max 10 Hazen Acidity max 0.0002 meq/g Alkalinity max 0.0002 meq/g Gradient grade at 235 nm max 2.0 mAU Gradient grade at 254 nm max 1.0 mAU Fluorescence as quinine at 254 nm max 1.0 ppb Fluorescence as quinine at 365 nm max 0.5 ppb Transmission at 220 nm min 55% Transmission at 235 nm min 83% Transmission from 260 nm min 98% Filtered by 0.2 µm filter