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Protect your analytical HPLC column from damage caused by sample debris and interfering substances. It's the economical way to extend the lifetime of your analytical column with minimal impact on performance.
Use Thermo Scientific™ DNAPac™ PA200 Guard Columns with DNAPac PA200 HPLC Columns. These analytical columns provide strong anion-exchange separations for high-resolution analysis and purification of synthetic oligonucleotides.