ISO-PROPANOL HPLC GRAU GRADIENTE LICHROSOLV MERCK (1 L)

Purity GC >= 99.9 % Identity IR conforms Residue on evaporating <= 2.0 mg/l Water <= 0.05 % Acidity <= 0.0002 meq/g Alkalinity <= 0.0002 meq/g Gradient grade at 235 nm <= 1.0 mAU Gradient grade at 254 nm <= 1.0 mAU Transmission (Checking after purging with N2) at 220 nm >= 80 % Transmission (Checking after purging with N2) at 230 nm >= 90 % Transmission (Checking after purging with N2) from 250 nm >= 99 % Filtered by 0.2 µm filter