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NUCLEODUR® C18 Pyramid
high purity silica phase for HPLC
octadecyl modification with polar endcapping
suitable for aqueous eluents · endcapped · 14 % C · USP L1
Properties

key features:
stable in 100 % aqueous mobile phase systems
interesting polar selectivity features
excellent base deactivation; suitable for LC/MS due to low bleeding characteristics
technical characteristics:
special phase with polar endcapping
pore size 110 Å; particle sizes 1.8 μm, 3 μm and 5 μm
7 and 10 μm particles for preparative purposes on request
carbon content 14 %; pH stability 1 – 9
recommended application:
analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agents, organic acids


Standard programme* of columns packed with NUCLEODUR® C18 Pyramid
Column system Particle size: 1.8 µm 3 µm 5 µm
analytical EC columns (standard system, 2 – 4.6 mm)
  Microbore columns (MB, 1 mm)  
preparative VarioPrep columns (VP, ≥ 8 mm)    
if you do not know our HPLC column systems, click the "i" for further information
* Please note! Most combinations of MN column types, available column dimensions and particle sizes can be custom-packed on request.

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EC standard columns for analytical HPLC
Ordering information

Length-> 30 mm 50 mm 75 mm 100 mm 125 mm 150 mm 250 mm  
1.8 µm particle size
2 mm ID 760271.20 760272.20 760275.20 760273.20   760274.20    
3 mm ID 760271.30 760272.30            
4 mm ID 760271.40 760272.40            
4.6 mm ID 760271.46 760272.46            
3 µm particle size
2 mm ID   760263.20     760260.20 760261.20 760262.20  
3 mm ID   760263.30     760260.30 760261.30 760262.30  
4 mm ID   760263.40     760260.40 760261.40 760262.40  
4.6 mm ID   760263.46 760259.46 760264.46 760260.46 760261.46 760262.46  
Guard columns*: 8 x 3 mm 761854.30   8 x 4 mm 761854.40    
5 µm particle size
2 mm ID   760200.20     760201.20 760203.20 760202.20  
3 mm ID   760200.30     760201.30 760203.30 760202.30  
4 mm ID   760200.40     760201.40 760203.40 760202.40  
4.6 mm ID   760200.46 760205.46 760204.46 760201.46 760203.46 760202.46  
Guard columns*: 8 x 3 mm 761800.30   8 x 4 mm 761800.40    
Guard columns in packs of 3, EC columns in packs of 1
* Guard column cartridges are coupled to EC columns using guard column adaptor EC(REF 721359).
3 mm ID (.30) ChromCart® (CC) guard column cartridges are used for 2 mm ID and 3 mm ID EC columns;
4 mm ID (.40) CC guard column cartridges are applied for 4 and 4.6 mm ID EC columns.
Custom-packed EC columns with other dimensions are available on request.
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Microbore columns for analytical HPLC
Ordering information

Length-> 50 mm 100 mm 125 mm 150 mm 250 mm  
3 µm particle size
1 mm ID 717740.10 717741.10 717742.10 717743.10 717744.10  
5 µm particle size
1 mm ID   717722.10 717723.10 717724.10 717725.10  
All columns in packs of 1. Guard columns for microbore columns on request!
On request, Microbore columns are also available in lengths of 40, 60, 200 and 300 mm and with 0.05, 0.075, 0.1, 0.15, 0.3, 0.4, 0.5, 0.75 and 1.5 mm ID.
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VarioPrep columns for preparative HPLC
Ordering information

Length   10 mm ID   21 mm ID 32 mm ID 40 mm ID  
Particle size 5 µm
50 mm   762271.100   762271.210      
125 mm   762273.100   762273.210      
150 mm           762269.400  
250 mm   762272.100   762272.210 762272.320 762272.400  
Guard columns with NUCLEODUR® C18 Pyramid
    8 mm ID   16 mm ID 32 mm ID  
10 mm *   762291.80          
20 mm *       762292.160      
15 mm *         762293.320  
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 – 40 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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