Specifications | |
---|---|
Purity (GC) | ≥ 99.9 % |
Identity (IR) | conforms |
Evaporation residue | ≤ 2.0 mg/l |
Water | ≤ 0.02 % |
Colour | ≤ 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. |