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Tp5SI220

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Tp5SI220
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Topsil Silica

by Welch Materials

  • High purity silica (99.99%) with 150 Å pore size and 250 m2/g surface area 12% carbon loading for C18 phase
  • Because of large pore and moderate carbon loading, Topsil C18 phase can also be used as AQ-C18 without phase collapse
  • Endcapped for excellent peak shape and lifetime
  • Lower back pressure than Ultisil
  • Good for small molecules and peptides
  • Topsil phases including C18, C8, Phenyl and Silica
Application areas:
Peptides Small molecules
Specification
Vendor Welch Materials Length
Brand Topsil Silica Internal Diameter
Modifification Silica Pore size 150
Mode Normal-Phase Surface Area 250
Particle Size Endcapped Yes
Similar columns Columns with same mode & modification — across all brands
VendorBrandModeModification Int. diam.LengthParticlesPoresPrice
— — Normal-Phase Silica 4.6 mm 300 mm 10 μm 120 Å On request
Welch Materials Topsil Silica Normal-Phase Silica 4.6 mm 100 mm 5.0 μm 150 Å On request
Teknokroma PARTISIL Silica Normal-Phase Silica 4.0 mm 100 mm 5.0 μm — On request
Princeton Chromatography Inc. PrincetonSPHER SILICA-60 Normal-Phase Silica 4.0 mm 250 mm 10.0 μm 60 Å On request
Phenomenex Luna Silica (2) Normal-Phase Silica 30.0 mm 50 mm 5.0 μm 100 Å On request
Princeton Chromatography Inc. PrincetonSPHER SILICA-100 Normal-Phase Silica 4.0 mm 250 mm 5.0 μm 100 Å On request
SGE Analytical Science ProteCol SILICA (PEEK Coated) Normal-Phase Silica 2.1 mm 50 mm 5.0 μm 120 Å On request
Greyhound Spheripak Si 80 Normal-Phase Silica 7.0 mm 250 mm 5.0 μm 80 Å On request
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