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NUCLEODUR® CN / CN-RP
High purity silica phase for HPLC
Cyano (nitrile) modification for NP and RP separations · 7 % C · USP L10
Features
Key features:
High retention capacity especially for very polar and unsaturated compounds
Multi-mode column (RP and NP) widens scope of selectivity
Stable against hydrolysis at low pH (working range pH 1-8)
Technical characteristics:
Cyanopropyl modified high purity silica; pore size 110 Å, particle sizes 3 µm and 5 µm; 7 % C; special endcapping
High reproducibility from lot to lot; different retention characteristics in comparison to C8 and C18
Recommended application:
Tricyclic antidepressants, steroids, organic acids
For applications click here.


EC standard columns for analytical HPLC
Ordering information
Length -> 50 mm 125 mm 150 mm 250 mm
NUCLEODUR® 100-3 CN-RP · 3 µm particles size · eluent in column acetonitrile – water
2 mm ID   760159.20 760157.20    
3 mm ID     760157.30    
4 mm ID       760156.40  
4.6 mm ID       760156.46  
EC guard columns* 4 x 2 mm 761941.20 4 x 3 mm 761941.30
CC guard columns** 8 x 3 mm 761430.30 8 x 4 mm 761430.40
NUCLEODUR® 100-5 CN-RP · 5 µm particles size · eluent in column acetonitrile – water
4 mm ID     760153.40   760152.40
4.6 mm ID     760153.46 760154.46 760152.46
EC guard columns*     4 x 3 mm 761944.30
CC guard columns**     8 x 4 mm 761420.40
NUCLEODUR® 100-5 CN · 5 µm particles size · eluent in column n-heptane
4 mm ID     760151.40 760149.40 760150.40
4.6 mm ID     760151.46 760149.46 760150.46
EC guard columns*     4 x 3 mm 761943.30
CC guard columns**     8 x 4 mm 761419.40
Guard columns in packs of 3, columns in packs of 1

Guard columns for EC columns   EC columns with ID Use guard
column holder
      2 mm 3 mm 4 mm 4.6 mm
* Column Protection System EC guard column 4/2 4/3 4/3 4/3 REF 718966
** ChromCart® guard column system CC guard column 8/3 8/3 8/4 8/4 REF 721359
Custom-packed EC columns with other dimensions are available on request.

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