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NUCLEOSIL®

unmodified silica phases for HPLC
USP L3

Features


spherical silica, pH stability at 20 °C: 2 – 8
available pore sizes 50, 100, 120, 300, 500, 1000 and 4000 Å
available particle sizes 3 µm, 5 µm, 7 µm and 10 µm
separation mechanism based on polar interactions
Physical properties of unmodified NUCLEOSIL® materials
 

Phase
Pore size Pore volume Surface (BET)
Density
Pressure stability
 
  NUCLEOSIL 50
50 Å
0.8 ml/g
420 m2/g
0.45 g/ml
600 bar
 
  NUCLEOSIL 100
100 Å
1 ml/g 350 m2/g 0.36 g/ml 600 bar  
  NUCLEOSIL 120
120 Å
0.65 ml/g 200 m2/g 0.55 g/ml 500 bar  
  NUCLEOSIL 300
300 Å
0.8 ml/g 100 m2/g 0.45 g/ml 400 bar  
  NUCLEOSIL 500
500 Å
0.8 ml/g 35 m2/g 0.45 g/ml 400 bar  
  NUCLEOSIL 1000
1000 Å
0.8 ml/g 25 m2/g 0.45 g/ml 300 bar  
  NUCLEOSIL 4000
4000 Å
0.7 ml/g 10 m2/g 0.48 g/ml 300 bar  
  Please note! Eluent in column is n-heptane. When using an eluent which is not miscible with n-heptane (e. g. water), it is necessary to rinse the columns with THF first.
 


Standard programme* of columns packed with unmodified NUCLEOSIL®

Column system
Particle

Pore size [Å]

    size 50
100
300
analytical
EC columns (standard system)
5 µm
 
  7 µm



ChromCart cartridge columns (CC)
5 µm

preparative
VarioPrep columns (VP)
7 µm

  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 phases can be custom-packed on request.  



Programme of unmodified NUCLEOSIL® bulk packings

Particle size
Pore size [Å]

50
100
120
300
500
1000
4000
3 µm
       
5 µm
7 µm
10 µm
For ordering information click here  


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