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Nacalai Tesque COSMOSIL 5PE-MS Guard Column, 5 µm, 4.6 mm I.D. x 10 mm - 38181-41

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COSMOSIL PE-MS･COSMOSIL CN-MS

The COSMOSIL PE-MS columns (phenylethyl group) and the COSMOSIL CN-MS columns (cyanopropyl group) provide a secondary separation mode (π-π interaction). These columns are recommended when the other alkyl chain stationary phases do not offer optimum selectivity for structurally similar compounds.

Specifications

Packing MaterialPE-MSCN-MS
Silica GelHigh Purity Porous Spherical Silica
Average Particle Size5 µm
Average Pore Sizeapprox. 120Å
Specific Surface Areaapprox. 300 m2/g
Stationary Phase
Phenylethyl Group
Cyanopropyl Group
Bonding TypeMonomeric
Main InteractionHydrophobic Interaction / π- π Interaction
End Capping TreatmentNear-perfect Treatment
Carbon Contentapprox. 10%approx. 7%

Applications

Application data

Condition
Column Size4.6 mm I.D. x 150 mmSample1.Acetophenone0.05 µg
Mobile Phase5PE-MS Methanol : Water = 60 : 40 
5CN-MS Methanol : Water = 40 : 60 
5C18-MS-II Methanol : Water = 60 : 40		2.Methyl Benzoate0.5 µg
Flow Rate1.0 ml/min3.Benzene2.0 µg
Tempeature30°C4.Toluene2.0 µg
DetectionUV 254 nm  


  • Model: 38181-41
  • Manufactured by: Nacalai Tesque

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