HPLC-Guard Cartridge ACE Excel Oligo, 90 Å, for 2.1 mm ID, 3 pc/PAK

ACE® Excel Oligo is a unique encapsulated stationary phase for high resolution ion-pair reversed-phase analysis of oligonucleotides. These high pH stable stainless steel columns are compatible with all buffers and mobile phases typically used for oligonucletide analysis by LC-UV and LC-MS, including TEAA and HFIP.

Ultra-inert, base deactivated silica for exceptional reproducibility and peak shape
Excellent column lifetime under oligonucleotide testing conditions
Ultra-low bleed for excellent LC/MS compatibility
High efficiency 1.7 and 3.0 µm particle sizes for high resolution oligonucleotide separations.

These columns are made of stainless steel.