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Determination of Organic Acids, Carbohydrates, and

简要描述: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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  • 更新时间:2023-12-11
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详细介绍

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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