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
| Clear colorless liquid | Complying |
| Acidity (as Acetic acid) | <= 0.002% |
| Alkalinity (as Ammonia) | <= 0.0002% |
| Color (APHA Pt-Co) | <= 5 |
| Assay (GC on anhydrous basis) | >= 99.95% |
| Grad. elution H.Peak at 235nm | <= 0.002AU |
| Grad. elution H.Peak at 254nm | <= 0.001AU |
| Residue after evaporation | <= 0.0003%w/w |
| Water (KF) | <= 0.03%w/w |
| UV Trans. 210nm | >= 40% |
| UV Trans. 220nm | >= 60% |
| UV Trans. 235nm | >= 85% |
| UV Trans. 260nm | >= 98% |
| UHPLC/MS ESI/APCI+ (as Reserpine) | <= 10ppb |
| Silver (Ag) | <= 0.1ppm |
| Aluminum (Al) | <= 0.05ppm |
| Barium (Ba) | <= 0.1ppm |
| Bismuth (Bi) | <= 0.1ppm |
| Calcium (Ca) | <= 0.05ppm |
| Cadmium (Cd) | <= 0.05ppm |
| Cobalt (Co) | <= 0.05ppm |
| Chromium (Cr) | <= 0.02ppm |
| Copper (Cu) | <= 0.02ppm |
| Iron (Fe) | <= 0.02ppm |
| Potassium (K) | <= 0.05ppm |
| Lithium (Li) | <= 0.1ppm |
| Magnesium (Mg) | <= 0.05ppm |
| Manganese (Mn) | <= 0.02ppm |
| Molybdenum (Mo) | <= 0.05ppm |
| Sodium (Na) | <= 0.05ppm |
| Nickel (Ni) | <= 0.02ppm |
| Lead (Pb) | <= 0.02ppm |
| Tin (Sn) | <= 0.05ppm |
| Strontium (Sr) | <= 0.05ppm |
| Zinc (Zn) | <= 0.1ppm |
