106007 Methanol Methanol gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur. CAS 67-56-1, chemical formula CH₃OH, molar mass 32.04 g/mol.
atau disebut juga : MeOH, Hydroxymethane, Methyl alcohol, Carbinol
With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.Methanol gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur. CAS 67-56-1, chemical formula CH₃OH, molar mass 32.04 g/mol.Simpan pada +5°C hingga +30°C.
Purity (GC) | ≥ 99.9 % |
Identity (IR) | conforms |
Evaporation residue | ≤ 2.0 mg/l |
Water | ≤ 0.02 % |
Color | ≤ 10 Hazen |
Density (d 20 °C/20 °C) | 0.791 - 0.793 |
Boiling point | 64 - 65 °C |
Acidity | ≤ 0.0002 meq/g |
Alkalinity | ≤ 0.0002 meq/g |
Gradient grade (at 235 nm) | ≤ 2.0 mAU |
Gradient grade (at 254 nm) | ≤ 1.0 mAU |
Fluorescence (as quinine at 254 nm) | ≤ 1.0 ppb |
Fluorescence (as quinine at 365 nm) | ≤ 0.5 ppb |
Transmission (at 210 nm) | ≥ 20 % |
Transmission (at 220 nm) | ≥ 60 % |
Transmission (at 230 nm) | ≥ 75 % |
Transmission (at 235 nm) | ≥ 83 % |
Transmission (at 250 nm) | ≥ 95 % |
Transmission (from 260 nm) | ≥ 98 % |
Absorbance (at 225 nm) | ≤ 0.170 |
Filtered by 0.2 µm filter. Suitable for UPLC / UHPLC /Ultra HPLC - instruments. Conforms to Methanol R1 and R2 according to Reag. Ph Eur; conforms to the requirements of ACS for liquid chromatography suitability. |