CH4O
Methanol absolute LC-MS
LC/MS grade absolute methanol from Biosolve with low cations level and good HPLC, UHPLC and MS performance. LC/MS grade absolute methanol suits routine quality chromatography works.
Main characteristics
| M | 32.04 |
|---|---|
| D | 0.791 |
| b.p | 64.7 °C |
| m.p | -98 °C |
Product specificities
| Appearance | Clear colorless liquid |
|---|---|
| Acidity (as Acetic acid) | max. 0.002% |
| Alkalinity (as Ammonia) | max. 0.0002% |
| Color (APHA, Pt-Co) | max. 5 |
| Assay (GC, on anhydrous basis) | min. 99.95% |
| Grad. elution H.Peak at 235nm | max. 0.002AU |
| Grad. elution H.Peak at 254nm | max. 0.001AU |
| Residue after evaporation | max. 0.0003%w/w |
| Water (KF) | max. 0.03%w/w |
| T210nm | min. 40% |
| T220nm | min. 60% |
| T235nm | min. 85% |
| T260nm | min. 98% |
| UHPLC/MS/ESI+ (as Reserpine) | max. 10ppb |
| Ag (Silver) | max. 0.1ppm |
| Al (Aluminum) | max. 0.05ppm |
| Ba (Barium) | max. 0.1ppm |
| Bi (Bismuth) | max. 0.1ppm |
| Ca (Calcium) | max. 0.05ppm |
| Cd (Cadmium) | max. 0.05ppm |
| Co (Cobalt) | max. 0.05ppm |
| Cr (Chromium) | max. 0.02ppm |
| Cu (Copper) | max. 0.02ppm |
| Fe (Iron) | max. 0.02ppm |
| K (Potassium) | max. 0.05ppm |
| Li (Lithium) | max. 0.1ppm |
| Mg (Magnesium) | max. 0.05ppm |
| Mn (Manganese) | max. 0.02ppm |
| Mo (Molybdenum) | max. 0.05ppm |
| Na (Sodium) | max. 0.05ppm |
| Ni (Nickel) | max. 0.02ppm |
| Pb (Lead) | max. 0.02ppm |
| Sn (Tin) | max. 0.05ppm |
| Sr (Strontium) | max. 0.05ppm |
| Zn (Zinc) | max. 0.1ppm |
