Ultra C4 Columns (USP L26), Particle Size 5 μm, Length 250 mm, ID 4.6 mm, Restek (CAT#: STEM-C-0790-LC)

The Ultra C4 Columns (USP L26) manufactured by Restek are made of high-purity, type-B silica that minimizes activity and creates high-density bonding. These columns are ideal for selective and reliable HPLC applications.

Particle Size: 5 μm
Length: 250 mm
ID: 4.6 mm
Stationary Phase Category: C4, butylsilane (L26)
Ligand Type: monomeric C4
Pore Size: 100 Å
Carbon Load: 9%
End-Cap: yes
Surface Area: 300 m²/g
pH Range: 2.5 to 8
Maximum Temperature: 80°C

Exceptionally stable C4 packing with high bonding coverage and base deactivation
Less retention than C18 or C8 phases

Ultra C8 Columns (USP L7), Particle Size 3 μm, Length 30 mm, ID 2.1 mm, Restek (CAT#: STEM-C-0791-LC)