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Brownlee SPP RP-Amide Guard Column - 5 mm x 3.0 mm I.D., Pkg. 3

Excellent phase for significantly increasing the retention and selectivity of acids, for symmetrical peak shapes of bases, zwitterions and other polar compounds.

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N9308517
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Detail Information

Brownlee SPP (Superficially Porous Particle) RP-Amide guard columns contain a base-deactivated phase with a polar group within the alkyl bonded phase. This provides unique selectivity and a high level of base deactivation while reducing or eliminating the need for mobile phase additives. These columns are filled with 2.7 μm superficially porous particles that contain a 1.7 μm solid inner core and a 0.5 μm porous silica outer shell, allowing for a shorter diffusion path and nearly double the efficiency compared to traditional fully porous silica particles. These guard columns can be used to enhance the performance of both traditional HPLC systems and UHPLC systems.

  • Quantity: Package of 3
  • Coverage: 3.0 μmol/m²
  • pH Range: 2.0-9.0
  • Pressure Limit (UHPLC): 9,000 psi (620 bar)
  • Temperature Limit: 60℃
  • USP Code: L60

Specifications

Inner Diameter 5.0 mm
Length 5.0 mm
Particle Size 2.7 µm
Phase RP-Amide
Pore Size 90.0 Å
Product Brand Name Brownlee SPP
Product Group Guard Columns
Technology Type Liquid Chromatography (LC)