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Methanol
HPLC Grade Specifications
HPLC/UV
Grade Code ME04
|
Test
|
PrecisionPure™ Specification |
|
Assay (as CH3OH) by GC (%)
|
99.9% min |
|
Ultraviolet Absorbance
(1cm cell vs. H2O) |
|
|
@220 nm
|
0.30 max |
|
@230 nm
|
0.15 max |
|
@243 nm
|
0.10 max |
|
@254 nm
|
0.025 max |
|
UV Cut-Off (nm)
|
205 max |
|
Titrable Acid (meq/g)
|
0.0003 max |
|
Titrable Base (meq/g)
|
0.0002 max |
|
Water (H2O) by Coulometry (%)
|
0.10 max |
|
LC Suitability Test (ACS) @254 nm
|
Passes Test |
|
Color (APHA)
|
5 max |
|
Evaporation Residue (ppm)
|
5 max |
| Substances Dark by H2SO4 | Passes Test |
| Substances Red KmnO4 | Passes Test |
| Solubility in Water | Passes Test |
For complete information on PrecisionPure™ Acetonitrile, mail info@purificationtech.com
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