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    當(dāng)前位置：首頁   >  產(chǎn)品中心  >  Ultrasep ES液相色譜柱  >  Ion Exchangers（離子交換）  >  Determination of Organic Acids, Carbohydrates, ａnd
            
              
    

    




    

	
    
     
        
      
            
    
                        
    
                        
    
                             
                            
    
                            
                            
    
                           
                        
    
                        
    
                        
    
                            
                            
    
                                
      
                                
                                    
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    Determination of Organic Acids, Carbohydrates, ａnd
    
            
    簡要描述：In addition to our  range of silicagels we are offering sulfonated styrene-divinyl resins （GROM Polymer Phases） for the analysis of organic acids, carbohydrates, und sugar alcohols. The resins are ava 
    
            
      
           
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    • 廠商性質(zhì)：生產(chǎn)廠家
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    • 更新時(shí)間：2024-08-07
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    • 訪  問  量：1705
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    Polymer Phases (Organic Ion Exchangers)
     
    In addition to our  range of silicagels we are offering sulfonated styrene-divinyl resins (GROM Polymer Phases) for the analysis of organic acids, carbohydrates, und sugar alcohols. The resins are available in the H-form (H+IEX), sodium-form (Na+IEX), Calcium-form (Ca++IEX), and in the lead-form (Pb++IEX).
    For the polymeric columns up to 40% acetonitrile, 30% ethanol, or 5% isopropanol are used as organic eluents. Methanol should not be applied.
    Organic columns should be washed for some hours with acetonitrile/water (30/70). Contaminations by metal ions are removed for the calcium-form column with a solution of 0.1 M calcium nitrate, for the H+-form column with 0.1 M sulfuric acid. The storage of the columns  is done under water or under 0.1 M sulfuric acid, respectively.        
     Maximum operation pressure: 100 barMaximum operation temperature: 90 °C and 85 °C, respectively
           
     
    Examples of  
    AnalyzedSubstances
    Analyzed in Application
    (POL = POLYMER)
     
    Examples of  
    AnalyzedSubstances
    Analyzed in Application
    (POL = POLYMER)
     
     
    Go to
     
    Acetic acid
    		POL1 
    Malic acid
    		POL1 
     
    Arabinose
    		POL2 
    Mannitol
    		POL4POL1
     
    iso-Butanol
    		POL2 
    Mannose
    		POL4 
     
    n-Butanol
    		POL2 
    Methanol
    		POL2POL2
     
    Citric acid
    		POL1 
    Oxalic acid
    		POL1 
     
    Ethanol
    		POL2, POL3 
    iso-Propanol
    		POL2POL3
     
    Ethylene glycol
    		POL2 
    n-Propanol
    		POL2 
     
    Formic acid
    		POL1 
    Raffinose
    		POL2POL4
     
    Fructose
    POL2, POL3
    		 
    Ribitol
    		POL4 
     
    Galactose
    		POL3 
    Saccharose
    		POL2, POL3 
     
    Glucose
    		POL2, POL3, POL4 
    Sorbitol
    		POL3, POL4 
     
    Glycerol
    		POL2 
    Succinic acid
    		POL1 
           
      
     
    COLUMNS and PRICES  (€/piece)
     
    Column sizes (mm)
     
    		250 x 8
    250 x 4,6
    GROM-RESIN H+IEX
    912.00
    684.00
    GROM-RESIN Ca++IEX
    912.00
    		684.00
      
     Prices are valid in the European Union and Switzerland. All prices are subject to confirmation and are to be understood for delivery ex works. The prices are subject to change without notice.
      
            
    
            
            
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