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NUCLEODUR® SiOH (unmodified)  
totally spherical high purity silica phase for HPLC · USP L3
Features

key features:
totally spherical high purity silica
pressure stable up to 800 bar
suitable for analytical and preparative separation of polar and midpolar compounds
  
technical characteristics:
unmodified high purity silica; pore size 110 Å, particle sizes 3 to 50 µm
pore volume 0.9 ml/g, surface area (BET) 340 m2/g; pH stability 2 – 8; metal content < 10 ppm		  
recommended application:
polar and midpolar compounds under normal phase conditions		  


Standard programme* of columns packed with unmodified NUCLEODUR®

Column system Particle size:   3 µm 5 µm
analytical EC columns (standard system, 2 - 4.6 mm ID)  
preparative VarioPrep columns (VP, ≥ 8 mm ID)    
  if you do not know our HPLC column systems, click the "i" for further information
* Please note! Most combinations of MN column types, available dimensions and particle sizes can be custom-packed on request.


Programme of unmodified NUCLEODUR® bulk packings

Particle size
10 µm 12 µm 16 µm 20 µm 30 µm 50 µm
For ordering information click here  

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EC standard columns for analytical HPLC
Ordering information

    Length-> 50 mm 150 mm 250 mm Guard columns*  
3 µm particle size
4.6 mm ID     760170.46 760172.46 760173.46 761007.40  
5 µm particle size
4 mm ID         760007.40 761055.40  
4.6 mm ID     760023.46 760012.46 760007.46 761055.40  
    Columns/pack 1 1 1 3  
* Guard column cartridges are coupled to EC columns using guard column adaptor EC (REF 721359). 4.6 mm EC are used with 4 mm CC guard column cartridges.
Custom-packed EC columns with other dimensions are available on request.

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VarioPrep columns for preparative HPLC

Ordering information

Length   10 mm ID   21 mm ID 32 mm ID 40 mm ID  
Unmodified NUCLEODUR® 100-5
50 mm   762077.100   762077.210      
125 mm   762078.100   762078.210      
150 mm           762075.400  
250 mm   762007.100   762007.210 726007.320
 762007.400  
Guard columns with unmodified NUCLEODUR®
    8 mm ID   16 mm ID 32 mm ID    
10 mm *   762094.80          
20 mm *       762095.160      
15 mm *         762330.320    
VP guard column Size Pack of for VP column required holder REF  
VP 10/8   10 x 8 mm ID 2 10 mm ID 8 mm 718251  
VP 20/16   20 x 16 mm ID 2 21 mm ID 16 mm 718250  
VP 15/32   15 x 32 mm ID 1 32 – 50 mm ID 32 mm 718253  
Custom-packed VP columns with other dimensions are available on request.
For details of the VarioPrep column system click here.
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Unmodified NUCLEODUR® SiOH bulk packings

Ordering information

Phase       Particle Size Pack of 100 g Pack of 1 kg
NUCLEODUR 100-10       10 µm 713610.0100 713610.1
NUCLEODUR 100-12       12 µm 713615.0100 713615.1
NUCLEODUR 100-16       16 µm 713620.0100 713620.1
NUCLEODUR 100-20       20 µm 713600.0100 713600.1
NUCLEODUR 100-30       30 µm 713630.0100 713630.1
NUCLEODUR 100-50       50 µm 713551.0100 713551.1
 

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