HPLC

Discovery C18 and C8 HPLC Columns

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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
    C18 structure   C8 structure
 
 
 
chromtograms

          

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   577502-U
2.1   5 50494721 59352-U21
2.1 10 569220-U  
2.1    12.5 569229-U  
2.1 15 50495521 59353-U21
3.0 15 504955-30  
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   5 504947 59352-U
4.6 10 569223-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

2cm Supelguard Cartridges with Discovery Packings

  C18 C8
Description 2.1mm ID 3.0mm ID 4.0mm ID 2.1mm ID 4.0mm ID
5µm Particle Size
2 Pack 505188 59576-U 505137 59588-U  
Kit triangle 505161 59575-U 505129 59587-U 59589-U

For 4.0mm ID or 4.6mm ID analytical columns

triangleKit includes cartridge, stand-alone holder, tubing, 2 nuts and ferrules.

How to Contact Supelco

Inside the USA:

Phone: 800-247-6628 or 814-359-3441

fax: 800-325-5052

email: techservice@sial.com

Outside the USA: click here