Rxi®-624Sil MS (Fused Silica) GC columns

Manufacturer Restek Corp.

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Rxi® fused silica capillary GC columns were designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity.

In addition to outstanding performance, this combination of column characteristics assures Rxi® columns will have long lifetimes. The Restek chemists also have developed a stable, reproducible manufacturing process, so that Rxi® columns will meet your needs every time you install a new column.


  • Low-bleed, high-thermal stability column—maximum temperatures up to 320 °C.
  • Inert—excellent peak shape for a wide range of compounds.
  • Selective—G43 phase highly selective for volatile organics and residual solvents, great choice for USP<467>. Manufactured for column-to-column reproducibility—well-suited for validated methods.

Column Specifications:

  • Length: 20, 30, 60, 75, 105 m
  • ID: 0.18, 0.25, 0.32, 0.53 mm
  • df: 1.00, 1.40, 1.80, 3.00 μm