Alcool metilic
SEAPIDStare
DA31731361
Data27 Octombrie 2022
Valoare175,2 RON
Oferta acceptata
Autoritatea contractantaLocalitateBucuresti, Bucuresti
FurnizorTipul contractuluiFurnizare
Cod CPVDescriere:Alcool metilic, 5 litri, conform ofertei transmisa la ADV1320598
Achizitii87,6 RON
Cantitate: 2
Unitate masura: 2.5 L
Metanol - Methanol gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur
"Metanol - Methanol gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur. CAS 67-56-1, chemical formula CH₃OH, molar mass 32.04 g/mol.
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"