The purification methods commonly used in the analysis of traditional
Chinese medicine preparations include ( )
A: Liquid-liquid extraction
B: chromatography
C: precipitation method
D: distillation
Chinese medicine preparations include ( )
A: Liquid-liquid extraction
B: chromatography
C: precipitation method
D: distillation
举一反三
- 2. Which of the following methods is not commonly used to separate interfering components? ( ) A: Precipitation separation method B: Titration analysis C: Ion exchange method D: Chromatographic separation
- The most commonly used methods for clinical examination of Ascaris<br/>lumbricoides are () A: Floating polymerization of saturated brine B: Direct smear method C: Insect identification D: Water washing precipitation method
- Which is not the diagnostic method of traditional Chinese medicine?
- The commonly used methods for the study of drug polymorphs do not include A: DSC B: X-ray diffraction C: thermal microscope D: HPLC method
- 中英文互译：Liquid Chromatography nuclear magnetic resonance