사양
- 인증 기준: 사내 품질 기준(약전 미기재)
- IUPAC Name: methanol
- EC Number: 200-659-6
- Molecular Weight: 32.042
- Chemical Formula: CH4O
- CAS Number: 67-56-1
- 순도: LC-MS 등급, 순도 ≥99.99%(GC 분석)
- Test Items: Units
- Assay CH3OH(GC): %
- Density(20℃): g/mL
- Residue on evaporation: %
- Water: %
- Acidity(as H+): mmol/g
- Alkalinity(as OH-): mmol/g
- Absorbance at 205 nm: Abs.Units
- Absorbance at 210 nm: Abs.Units
- Absorbance at 220 nm: Abs.Units
- Absorbance at 230 nm: Abs.Units
- Absorbance at 260 nm: Abs.Units
- 254nm Gradient Elution Test: mAU
- 235nm Gradient Elution Test: mAU
- Fluorescence impurity at 254 nm: ppb
- Fluorescence impurity at 365 nm: ppb
- LC-MS(ESI+) as reserpine: ppb
- LC-MS(ESI-) as 4-nitrophrnol: ppb
- (K、Ag、Ba、Cd、Co、Cr、Cu、Mn、Ni、Pb、Sn): ppb
- Al、Ca、Mg、Fe: ppb
- Na: ppb
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