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15BD181SHA
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BlueShell

by KNAUER

BlueShell UHPLC columns                                         

Vertex Plus column BlueShell C18 A core-shell                         

BueShell columns offer ultra high performance without ultra high pressure: packed with core-shell particles, they provide improved speed, higher resolution, and reduced eluent consumption with moderate HPLC backpressure.

BlueShell features

  • applicable for any type of LC
  • highest separating power (~ 200.000 theoretical plates/meter)
  • multiple columns can be combined for even higher resolution
  • efficiency is comparable with fully porous sub-2 μm particles
  • significantly lower backpressures than sub-2 μm particles
  • high speed and ruggedness

Take advantage of core-shell particle technology

Compared to classical fully porous silica materials, BlueShell particles consist of a solid core and a porous shell. The 2.6 µm diameter particles enable high speed and high resolution separations without undesirable excessive backpressure. The reduced depth of the outer porous layer limits the diffusional path of analytes, leading to minimized mass transfer resistance and minimized peak broadening.

BlueShell application areas

Modification

Application areas

Separation mechanism

C18 A

polar endcapped C18 phase for alternative selectivity; designed for use with 100 % aqueous eluents for analysis of very polar compounds, basic pharmaceutical ingredients, water soluble vitamins, catecholamines as well as organic acids

hydrophobic and polar
interaction

Specification
Vendor KNAUER Pore size 80
Brand BlueShell Surface Area 130
Modifification Silica/C18 Carbon Load, % 9.0
Mode Reversed-Phase Endcapped Yes
Particle Size pH stability from 1.0
Length pH stability to 11.0
Internal Diameter
Similar columns Columns with same mode & modification — across all brands
VendorBrandModeModification Int. diam.LengthParticlesPoresPrice
Welch Materials Ultisil LP-C18 Reversed-Phase Silica/C18 4.0 mm 300 mm 3.0 μm 120 Å On request
Bonna-Agela Technologies Durashell C18 (L) Reversed-Phase Silica/C18 4.6 mm 100 mm 3.0 μm 150 Å On request
AcuTech Scientific C18 Reversed-Phase Silica/C18 0.1 mm 500 mm 3.0 μm 120 Å On request
Thermo Fisher Scientific Hypurity Reversed-Phase Silica/C18 1.0 mm 30 mm 5.0 μm 190 Å On request
Thermo Fisher Scientific Accucore Reversed-Phase Silica/C18 3.0 mm 50 mm 2.6 μm 80 Å On request
LabHut Cronusil-P C18 Reversed-Phase Silica/C18 4.0 mm 40 mm 5.0 μm 300 Å 305.89
Nacalai COSMOSIL Protein-R Reversed-Phase Silica/C18 4.6 mm 50 mm 5.0 μm 300 Å 320.00
MicroSolv Technology Corporation Cogent HPS C18 Reversed-Phase Silica/C18 4.6 mm 250 mm 5.0 μm 120 Å On request
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