SMT SAM PAH – Guard Column

PAH Guard columns are expendable small columns designed to remove anything that may interfere with the separation or shorten the lifetime of the primary column.

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Description

Specialty PAH Guard Column

Guard columns are expendable small columns designed to remove anything that may interfere with the separation or shorten the lifetime of the primary column. A standard HPLC column (analytical or preparative) is hereby referred to as the primary because it is first in value and in importance for separation.

Guard columns are utilized to remove:

  • Particles that may clog the primary column and necessitate a frit change, which can be cumbersome.
  • Compounds, including ions, that may adsorb strongly on the packing material and cause baseline drift, spurious peaks, loss of resolution and change in selectivity
  • Compounds that can form a precipitate upon contact with mobile phase or packing
  • Compounds that may co-elute with analyte and interfere with its detection and quantitation.

SMT guard is designed to have minimal or no effect on separation. The concept is verified by injection of standards before and after guard installation. The small increase in retention is due to the added packing materials in the guard device. The column performance and peak symmetry are not altered in the separation because SMT guard is packed with the same pressure as the primary column and has minimal void volume design as shown in the chromatogram. Because of the way it is packed, the guard can also be used alone as an analytical column.

Are you looking for a column with custom specifications (pore size, particle size, length and/or I.D.) not available on this site? Please contact us as we can manufacture the exact column you need.

Additional information

Guard Column

Guard Column Assembly + Cartridge, Cartridge Only

Particle Size

10 µm, 5 µm, 3 µm

I.D.

1 mm, 2 mm, 3 mm, 4 mm, 7.8 mm, 10 mm, 22 mm

Particle Shape

Spherical

End-Capped

Yes

Phase

PAH

Select a Product

ImageSKUDescriptionPriceGuard ColumnParticle SizeI.D.QuantityAdd to Cart
PAH1-5-10-GGuard Column Assembly + Cartridge - Particle Size: 5 µm, Length: 10 mm, I.D.: 10 mm - Product Number: PAH1-5-10-GGuard Column Assembly + Cartridge5 µm10 mm
PAH1-5-22-GGuard Column Assembly + Cartridge - Particle Size: 5 µm, Length: 10 mm, I.D.: 22 mm - Product Number: PAH1-5-22-GGuard Column Assembly + Cartridge5 µm22 mm
PAH1-5-8-GGuard Column Assembly + Cartridge - Particle Size: 5 µm, Length: 10 mm, I.D.: 7.8 mm - Product Number: PAH1-5-8-GGuard Column Assembly + Cartridge5 µm7.8 mm
SMT Guard Column CartridgePAH1-10-10-GICartridge Only - Particle Size: 10 µm, Length: 10 mm, I.D.: 10 mm - Product Number: PAH1-10-10-GICartridge Only10 µm10 mm
SMT Guard Column CartridgePAH1-10-22-GICartridge Only - Particle Size: 10 µm, Length: 10 mm, I.D.: 22 mm - Product Number: PAH1-10-22-GICartridge Only10 µm22 mm
SMT Guard Column CartridgePAH1-10-8-GICartridge Only - Particle Size: 10 µm, Length: 10 mm, I.D.: 7.8 mm - Product Number: PAH1-10-8-GICartridge Only10 µm7.8 mm
SMT Guard Column CartridgePAH1-5-10-GICartridge Only - Particle Size: 5 µm, Length: 10 mm, I.D.: 10 mm - Product Number: PAH1-5-10-GICartridge Only5 µm10 mm
SMT Guard Column CartridgePAH1-5-22-GICartridge Only - Particle Size: 5 µm, Length: 10 mm, I.D.: 22 mm - Product Number: PAH1-5-22-GICartridge Only5 µm22 mm
SMT Guard Column CartridgePAH1-5-8-GICartridge Only - Particle Size: 5 µm, Length: 10 mm, I.D.: 7.8 mm - Product Number: PAH1-5-8-GICartridge Only5 µm7.8 mm
PAH1-10-10-GGuard Column Assembly + Cartridge - Particle Size: 10 µm, Length: 10 mm, I.D.: 10 mm - Product Number: PAH1-10-10-GGuard Column Assembly + Cartridge10 µm10 mm
PAH1-10-22-GGuard Column Assembly + Cartridge - Particle Size: 10 µm, Length: 10 mm, I.D.: 22 mm - Product Number: PAH1-10-22-GGuard Column Assembly + Cartridge10 µm22 mm
PAH1-10-8-GGuard Column Assembly + Cartridge - Particle Size: 10 µm, Length: 10 mm, I.D.: 7.8 mm - Product Number: PAH1-10-8-GGuard Column Assembly + Cartridge10 µm7.8 mm
SMT Guard Column CartridgePAH1-10-1-GICartridge Only - Particle Size: 10 µm, Length: 10 mm, I.D.: 1 mm - Product Number: PAH1-10-1-GICartridge Only10 µm1 mm
SMT Guard Column CartridgePAH1-3-1-GICartridge Only - Particle Size: 3 µm, Length: 10 mm, I.D.: 1 mm - Product Number: PAH1-3-1-GICartridge Only3 µm1 mm
SMT Guard Column CartridgePAH1-5-1-GICartridge Only - Particle Size: 5 µm, Length: 10 mm, I.D.: 1 mm - Product Number: PAH1-5-1-GICartridge Only5 µm1 mm
PAH1-10-1-GGuard Column Assembly + Cartridge - Particle Size: 10 µm, Length: 10 mm, I.D.: 1 mm - Product Number: PAH1-10-1-GGuard Column Assembly + Cartridge10 µm1 mm
PAH1-3-1-GGuard Column Assembly + Cartridge - Particle Size: 3 µm, Length: 10 mm, I.D.: 1 mm - Product Number: PAH1-3-1-GGuard Column Assembly + Cartridge3 µm1 mm
PAH1-5-1-GGuard Column Assembly + Cartridge - Particle Size: 5 µm, Length: 10 mm, I.D.: 1 mm - Product Number: PAH1-5-1-GGuard Column Assembly + Cartridge5 µm1 mm
PAH1-3-2-GGuard Column Assembly + Cartridge - Particle Size: 3 µm, Length: 10 mm, I.D.: 2 mm - Product Number: PAH1-3-2-GGuard Column Assembly + Cartridge3 µm2 mm
SMT Guard Column CartridgePAH1-10-GICartridge Only - Particle Size: 10 µm, Length: 10 mm, I.D.: 4 mm - Product Number: PAH1-10-GICartridge Only10 µm4 mm
PAH1-10-GGuard Column Assembly + Cartridge - Particle Size: 10 µm, Length: 10 mm, I.D.: 4 mm - Product Number: PAH1-10-GGuard Column Assembly + Cartridge10 µm4 mm
SMT Guard Column CartridgePAH1-10-3-GICartridge Only - Particle Size: 10 µm, Length: 10 mm, I.D.: 3 mm - Product Number: PAH1-10-3-GICartridge Only10 µm3 mm
PAH1-10-3-GGuard Column Assembly + Cartridge - Particle Size: 10 µm, Length: 10 mm, I.D.: 3 mm - Product Number: PAH1-10-3-GGuard Column Assembly + Cartridge10 µm3 mm
SMT Guard Column CartridgePAH1-10-2-GICartridge Only - Particle Size: 10 µm, Length: 10 mm, I.D.: 2 mm - Product Number: PAH1-10-2-GICartridge Only10 µm2 mm
PAH1-10-2-GGuard Column Assembly + Cartridge - Particle Size: 10 µm, Length: 10 mm, I.D.: 2 mm - Product Number: PAH1-10-2-GGuard Column Assembly + Cartridge10 µm2 mm
SMT Guard Column CartridgePAH1-5-GICartridge Only - Particle Size: 5 µm, Length: 10 mm, I.D.: 4 mm - Product Number: PAH1-5-GICartridge Only5 µm4 mm
PAH1-5-GGuard Column Assembly + Cartridge - Particle Size: 5 µm, Length: 10 mm, I.D.: 4 mm - Product Number: PAH1-5-GGuard Column Assembly + Cartridge5 µm4 mm
SMT Guard Column CartridgePAH1-5-3-GICartridge Only - Particle Size: 5 µm, Length: 10 mm, I.D.: 3 mm - Product Number: PAH1-5-3-GICartridge Only5 µm3 mm
PAH1-5-3-GGuard Column Assembly + Cartridge - Particle Size: 5 µm, Length: 10 mm, I.D.: 3 mm - Product Number: PAH1-5-3-GGuard Column Assembly + Cartridge5 µm3 mm
SMT Guard Column CartridgePAH1-5-2-GICartridge Only - Particle Size: 5 µm, Length: 10 mm, I.D.: 2 mm - Product Number: PAH1-5-2-GICartridge Only5 µm2 mm
PAH1-5-2-GGuard Column Assembly + Cartridge - Particle Size: 5 µm, Length: 10 mm, I.D.: 2 mm - Product Number: PAH1-5-2-GGuard Column Assembly + Cartridge5 µm2 mm
SMT Guard Column CartridgePAH1-3-GICartridge Only - Particle Size: 3 µm, Length: 10 mm, I.D.: 4 mm - Product Number: PAH1-3-GICartridge Only3 µm4 mm
PAH1-3-GGuard Column Assembly + Cartridge - Particle Size: 3 µm, Length: 10 mm, I.D.: 4 mm - Product Number: PAH1-3-GGuard Column Assembly + Cartridge3 µm4 mm
SMT Guard Column CartridgePAH1-3-3-GICartridge Only - Particle Size: 3 µm, Length: 10 mm, I.D.: 3 mm - Product Number: PAH1-3-3-GICartridge Only3 µm3 mm
PAH1-3-3-GGuard Column Assembly + Cartridge - Particle Size: 3 µm, Length: 10 mm, I.D.: 3 mm - Product Number: PAH1-3-3-GGuard Column Assembly + Cartridge3 µm3 mm
SMT Guard Column CartridgePAH1-3-2-GICartridge Only - Particle Size: 3 µm, Length: 10 mm, I.D.: 2 mm - Product Number: PAH1-3-2-GICartridge Only3 µm2 mm