Page 56 - Applied Pharmacognosy
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Classification of Chromatographic Techniques

          According to the Mode of Retention

1. Adsorption Chromatography.

   What are the Factors affecting adsorption Chromatography ??

b. The solvent strength:                Elutropic series
• A series of solvents, arranged in an

   order of increasing polarity:

Cyclohexane < toluene < benzene < chloroform < ethyl
acetate < acetone < ethanol < methanol < water.

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