Supply Good Quality 99% CAS: 67-56- 1 Methanol Methyl Alcohol From China Methanol, Find details about China Organic Solvents, Good Quality from Supply Good Quality 99% CAS: 67-56- 1 Methanol Methyl Alcohol From China Methanol
Item | Standard | Results |
Appearance | Clear,Colorless | Clear,Colorless |
Color(APHA) | Max 10 | 5 |
Assay( by GC) % | Min 99.9 | ≥99.9 |
Water(by KF) % | Max 300 | 64 |
Evaporation Residue, mg/kg | Max 2.0 | 0.4 |
Titrable Acid. meq/g | Max 0.0003 | 0.0001 |
Titrable Base, meq/g | Max 0.0002 | 0.00003 |
Solubility in H2O | Passes test | passes test |
Acetone mg/kg | Max 10 | 0 |
UV Absorbance,(1.00-cm cell vs.water) | ||
at 225 nm | Max 0.15 | 0.1323 |
at 254 nm | Max 0.01 | 0.0066 |
at 400 nm | Max 0.01 | 0.0000 |
UV Cut-off nm | Max 205 | 205 |
Gradient Elution Test (a,u) | ||
at 254 nm | Max 0.002 | 0.001 |
Fluorescence Trace impurities, in ppb,(as Quinine Base) | ||
at 450 nm | Max 0.3 | 0.1 |
Emission Maximum for impuritlies | Max 1.0 | 0.4 |