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LiChrospher® 100 RP-18 125-4 Endcapped LiChroCART® HPLC Cartridges 3/Pkg, 100 Å, 5 µm, 4 x 125 mm - 150734

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LiChrospher® 100 RP-18 Endcapped 

Inner Diameter (I.D.): 4 mm
Length: 125 mm
Package Contents: 3 Cartridges


LiChrospher® 100 RP-18 and LiChrospher® 100 RP-18 endcapped are reliable and versatile traditionally produced 
spherical silica carriers with reversed-phase properties. They are well suited for the chromatography of acidic, 
neutral and weakly basic compounds, substances found frequently in all analytical fields. For LiChrospher® RP-18, 
a masterbatch concept, where several individual batches are used to produce a large batch (“the masterbatch”) 
of the LiChrospher® RP-18 sorbent, is used with the aim of eliminating the variation between the individual batches.

With LiChroCART® cartridges the user works with re-usable endfittings which fit different cartridge lengths. 
Since these cartridge holders may remain in the system and the capillary connections do not need to be detached, 
the cartridges may be changed within the shortest possible time. Changing a separation cartridge from a length 
of 125 to 250 mm and back presents no problems. Furthermore, the adaptation of internal diameter (3 mm or 2 mm) 
to the analysis problem is possible within a few minutes. The endfittings are designed to allow the cartridges to be 
hand-sealed at normal working pressures of 150 to 200 bar without the need for any tools. Only at higher pressures 
may further tightening with a wrench become necessary.

Specifications of LiChrospher® 100 RP-18 endcapped

Sorbent characteristics: Particles of silica with octadecyl derivative endcapped
Particle shape: spherical
Particle size: 5; 10 μm
Pore size: 100 Å (nm)
Pore volume: 1.25 mL/g
Specific surface area: 350 m2/g
Carbon load:
21.6% C
Coverage of the surface: 4.09 μmol/m2
Efficiency: 55,000 N/m; 20,000 N/m
pH range: pH 2-7.5
Shipping eluent: Acetonitrile/Water



  • Model: 1.50734.0001
  • Manufactured by: Merck Chemicals

Product 23/153

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