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 Properties
| M | 32.04 |
|---|
| D | 0.791 |
|---|
| b.p | 64.7 °C |
|---|
| m.p | -98 °C |
|---|
Product Specification
| 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 |
