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Nacalai Tesque COSMOSIL 5C18-MS-II Guard Column, 5 μm, 4.6 mm I.D x 10 mm - 38014-31

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COSMOSIL C18-MS-II

COSMOSIL 5C18-MS-II is a monomeric type of C18 phase. A new endcapping treatment with polar groups for "shield effect" has extended the pH range and significantly improved peak shape for basic compounds. This phase is recommended for most of applications but particularly effective for low molecular weight organic compounds.
Material characteristics :
COSMOSIL 5C18-MS-II
Silica gelhigh purity porous spherical silica
Average particle size5µm
Average pore sizeapprox. 120Å
Specific surface areaapprox. 300m2/g
Stationary phasemonomeric type octadecyl group
End capping treatmentnear-perfect treatment
Carbon contentapprox. 16%
Stability under alkaline condition :

Column: COSMOSIL 5C18-MS-II 4.6 x 150 mm


  • Model: 38014-31
  • Manufactured by: Nacalai Tesque

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