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

Properties		C18		C8
Bonded Phase:		Octadecylsilane, endcapped		Octylsilane, endcapped
Silica:		Spherical, high purity (Fe <20; NA <7; Ca <7; Ti <1; AI <1; Mg <1ppm)		Spherical, high purity (Fe <20; NA <7; Ca <7; Ti <1; AI <1; Mg <1ppm)
Particle Size:		5 µM		5 µM
Pore Size:		180(Å)		180(Å)
Surface Area:		200m2/g		200m2/g
%C:		~12%		~7.5%
Coverage:		~3µmoles/m2		~3.4µmoles/m2

Figure 1. Discovery C18 and C8 HPLC Columns

Ordering Information

5µm Discovery HPLC Columns

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2cm Supelguard Cartridges with Discovery Packings

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