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              Text A Ion-exchange chromatography
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                      The ion-exchange chromatography is a more predictable extraction and concentration method than absorption chromatography,provided the required product is capable of reacting with an appropriate ion-exchange resin,Many types of anionic and cationic resins ......（本文共 1660 字）      [閱讀本文] >> 
               
			  
				 
              
				 
				
				
              
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