产品名称
4L HPLC Tetrahydrofuran
规格参数
- 用途: HPLC级溶剂,用于高效液相色谱流动相
- IUPAC Name: oxolane
- EC Number: 203-726-8
- Molecular Weight: 72.11
- Chemical Formula: C4H8O
- CAS Number: 109-99-9
- 认证标准: 中国药典(ChP)标准
- 纯度: 纯度(GC)≥99.9%
- Test Items: Specification
- Assay C4H8O (by GC) , ω / %: 99.9 min
- Density (20℃) , ρ / (g/mL): 0.886~0.889
- Residue on evaporation , ω / %: 0.0005 max
- Water H2O (by K-F) , ω / %: 0.02 max
- UV Absorbance(1cm cell vs. water): at 212 nm
- at 240 nm: 0.35 max
- at 250 nm: 0.25 max
- at 254 nm: 0.20 max
- at 290 nm: 0.02 max
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