Discovery C18 and C8 HPLC Columns

SIGMA ALDRICH
Discovery C18 and C8 HPLC Columns

Classic reversed-phases for all general-purpose applications
  • Excellent peak shape and efficiency compared to competitive columns
  • Classic reversed-phase retention and selectivity
  • Excellent, no-bleed character for LC-MS applications
  • C18 is generally more retentive than the C8


Discovery C18 and C8 HPLC Columns

 

Discovery C18

Discovery C8

USP Code

L1

L7

Bonded Phase

Octadecylsilane

Octylsilane

Endcap

Yes

Yes

Particle Platform

Silica

Silica

Particle Shape

Spherical

Spherical

Particle Purity

< 10ppm metals

< 10ppm metals

Particle Sizes (µm)

5

5

Pore Size (Å)

180

180

Surface Area (m²/g)

200

200

Packing Density (g/mL)

0.58

0.58

%C

12

7.5

Coverage (µmoles/m²)

3

3.4

pH Range

2 to 8

2 to 8

Temperature Range

< 70°C

< 70°C



Ordering Information for Discovery C18 and C8 HPLC Columns

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