C18 Syringe Solid-Phase Extraction Cartridge, 30-60 µm (CAT#: STEM-BC-2849-ZJF)

This C18 syringe cartridge is a miniature solid-phase extraction device for laboratory sample preparation. It contains octadecyl-bonded silica that retains nonpolar and moderately polar organic compounds through hydrophobic interactions. The polypropylene tube body provides a chemically inert enclosure for the packed adsorbent. Retaining frits positioned above and below the sorbent prevent the packing material from escaping. A standard Luer connection allows the cartridge to be operated with a syringe or vacuum extraction device. The cartridge can remove proteins, salts, pigments, and other polar matrix components while retaining suitable target analytes. Retained compounds can be concentrated by eluting them with a small volume of methanol, acetonitrile, or another compatible solvent. The device also supports desalting and solvent exchange before chromatographic or mass-spectrometric analysis. A typical procedure includes conditioning, sample loading, washing, and final elution.

Model type: C18 syringe solid-phase extraction cartridge
Sorbent: Octadecyl-bonded silica
Sorbent particle size: Approximately 30 to 60 µm
Tube material: Medical-grade polypropylene
Frit material: Polyethylene or stainless steel
Connection: Standard Luer fitting
Separation mechanism: Hydrophobic adsorption
Typical conditioning solvents: Methanol or acetonitrile followed by water or buffer
Typical wash solution: Aqueous solution containing a low percentage of organic solvent
Typical elution solvents: Methanol, acetonitrile, or compatible acidic or alkaline organic solution

Hydrophobic C18 adsorption
Sample cleanup and concentration
Desalting capability
Solvent-exchange capability
Standard Luer connection
Four-step SPE workflow
Compatible with syringe or vacuum operation
Suitable for biological and environmental samples

STEM-BC-0402-ZJF
STEM-BC-0997-ZJF
STEM-BC-1024-ZJF
STEM-BC-1045-ZJF
STEM-BC-1046-ZJF