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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
咨询
- 保质期:
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- 英文名:
2-(3-Fluoro-5-methoxyphenyl)acetonitrile
- 库存:
咨询
- 供应商:
无锡云萃生物
- CAS号:
914637-31-3
- 规格:
2mg/10mg/500mg/500g
| 规格: | 2mg | 产品价格: | ¥100.0 |
|---|---|---|---|
| 规格: | 10mg | 产品价格: | ¥100.0 |
| 规格: | 500mg | 产品价格: | ¥100.0 |
| 规格: | 500g | 产品价格: | ¥100.0 |
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文献和实验【摘要】 目的建立桔梗提取物中桔梗皂苷D的高效液相色谱(HPLC)检测方法。方法采用RP-HPLC法、蒸发光散射检测器(ELSD)测定桔梗皂苷D含量。色谱柱为Agilent ODS(4.6 mm×250 mm,5 μm),流动相为乙腈∶0.5%乙酸溶液=28∶72,流速1.0 ml/min;检测器为Waters ELSD 2420。结果桔梗皂苷D在0.015 625~0.25 mg/ml范围内与峰面积具有良好的线性关系,r=0.999 6。桔梗皂苷D平均回收率为98.25%,RSD
0.352 μg(r=0.9997, 0.9994 and 0.9999), respectively. The average recoveries of acetone, acetonitrile and N,N�dimethylformamide were 101.1%, 97.7% and 100.4%, while the RSD for replications were 0.31%,1.28% and 0.73%(n=5),respectively. Conclusion
) Acetonitrile (CH 3 CN, anhydrous) ∼29% (v/v) ammonium hydroxide (NH 4 OH) ∼40% (v/v) methylamine (CH






