The rΓ΄le of countercurrent chromatograph
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Al-Shammary, Fahad Jaber ;Mian, Neelofur Abdul Aziz ;Mian, Mohammad Saleem
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Article
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1991
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John Wiley and Sons
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English
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## Abstract The biologically active pricipals in nature are frequently present as only a few parts per million of complex mixtures of nonβvolatile components and often have limited stability. Their isolation often requires the application of all available techniques, such as adsorption chromatograp