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Superspher® 100 RP-18 250-4 LiChroCART® HPLC Cartridge, 4 µm, 4 x 250 mm - 116056

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Superspher® 100 RP-18 LiChroCART®

Inner Diameter (I.D.): 4 mm
Length: 250 mm
Package Contents: 1 Cartridge


Superspher®, a high-performance spherical silica carrier with a mean particle size of 4 μm, provides an excellent 
pressure/separation performance ratio in terms of today´s generation of HPLC systems. The number of theoretical 
plates for Superspher® is approx. 100,000 N/m. Thus, Superspher® columns are always the first choice when complex 
mixtures demand high peak capacity. A broad range of modifications on Superspher® is available: non-polarm 
derivatives (RP-8, RP-8 endcapped, RP-18, RP-18 endcapped and RP-select B) and polar derivatives (Si 60).

Superspher® packing materials are available as LiChroCART® cartridges in various lengths and internal diameters 
(4.6 mm, 4 mm, 3 mm and 2 mm). LiChroCART® 3 mm i.d. and 2 mm i.d. narrow bore cartridges for HPLC save costs 
by reducing solvent consumption and allow the handling of very small quantities with excellent sensitivity and 
resolution. LiChroCART® cartridges 4.6 mm, 4 mm i.d., 3 mm i.d. and 2 mm i.d. are compatible with manu-CART® “4”.
This facilitates faster and more flexible method adaptation to smaller bore columns.


Specifications of Superspher® 100 RP-18

Sorbent characteristics: particles of silica with octadecyl derivative
Particle shape: spherical
Particle size: 4 μm
Pore volume: 1.25 mL/g
Specific surface area: 350 m²/g
Carbon load: 21.0% C
Coverage of the surface: 3.61 μmol/m²

  • Model: 1.16056.0001
  • Manufactured by: Merck Chemicals

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