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