제품명
4L HPLC Grade Methanol
사양
- 용도: 고성능 액체 크로마토그래피(HPLC) 이동상용 용매
- IUPAC Name: methanol
- EC Number: 200-659-6
- Molecular Weight: 32.042
- Chemical Formula: CH4O
- CAS Number: 67-56-1
- 인증 기준: 중국약전(ChP) 기준
- 순도: 함량(GC) ≥99.90%
- Test Items: Specification
- Assay CH3OH (by GC) , ω / %: 99.90 min
- Density (20℃) , ρ / (g/mL): 0.791~0.793
- Chromaticity (APHA): 10 max
- Solubility in water: Pass test
- Residue on evaporation , ω / %: 0.0003 max
- Water H2O (by K-F) , ω / %: 0.03 max
- Titrable Acid(H+) , b / (mmol/g): 0.0002 max
- Titrable Base(OH-) , b / (mmol/g): 0.00008 max
- Carbonylic compounds(CO) , ω / %: 0.003 max
- Readily carbonizable substances: Pass test
- Substances reducing KMnO4: Pass test
- UV Absorbance(1cm cell vs. water): at 205 nm
- Gradient Elution Test at 254nm/ (mAU): 2 max
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