Discovery C18 and C8 HPLC Columns

Ordering Information

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:   5µm   5µm Pore Size:   180(Å)   180(Å) Surface Area:   200m2/g   200m2/g %C:   ~12%   ~7.5% Coverage:   ~3µmoles/m2   ~3.4µmoles/m2

Ordering Information

5µm Discovery HPLC Columns

ID(mm) Length(cm) C18 Cat. No. C8 Cat. No. 2.1   2 577507-U 577501-U 2.1   3 577508-U 577502-U 2.1   5 50494721 59352-U21 2.1 10 569220-U 569420-U 2.1    12.5 569229-U 569424-U 2.1 15 50495521 59353-U21 3.0   2 577509-U 577503-U 3.0   3 577510-U 577504-U 3.0   5 504947-30 59352-U30 3.0 10 569221-U 569421-U 3.0    12.5 569230-U 569425-U 3.0 15 504955-30 59353-U30 3.0 25 504971-30 59354-U30 4.0   5 504947-40 59352-U40 4.0 10 569222-U 569422-U 4.0    12.5 569231-U 569426-U 4.0 15 504955-40 59353-U40 4.0 25 504971-40 59354-U40 4.6   2 577511-U 577505-U 4.6   3 577512-U 577506-U 4.6   5 504947 59352-U 4.6 10 569223-U 569423-U 4.6    12.5 569232-U 569427-U 4.6 15 504955 59353-U 4.6 25 504971 59354-U 10.0 25 569224-U — 21.2 25 569226-U — 5µm Discovery Validation Packs* ID(mm) Length(cm) C18 Cat. No. C8 Cat. No. 2.1 5 55700-U21 55710-U21 2.1 10 569800-U 569804-U 2.1 15 55702-U21 55712-U21 4.6 5 55700-U 55710-U 4.6 10 569801-U 569805-U 4.6 15 55702-U 55712-U 4.6 25 55704-U 55714-U * Packs include 3 columns, each from a different lof of bonded phase.

2cm Supelguard Cartridges with Discovery Packings

C18 C8   Description 2.1mm ID 3.0mm ID 4.0mm ID 2.1mm ID 3.0mm ID 4.0mm ID   5µm Particle Size     2 Pack 505188 59576-U 505137 59588-U 59580-U 59590-U     Kit 505161 59575-U 505129 59587-U 59579-U 59589-U   For 4.0mm ID or 4.6mm ID analytical columns Kit includes cartridge, stand-alone holder, tubing, 2 nuts and ferrules.