BGB Analytik AG - Chromatography is our Business CTC Analytics Combi PAL ® and HTS PAL for Front-End Automation for LC and GC applications Parts, Support, Repair Founded by the former employees of CHROMSYS ® LLC, AUTOSAMPLER GUYS promotes Peak PAL Performance by offering focused support for any standard CTC autosampler, including the HTS, HTC, LC-Mini, Combi PAL, and GC PAL models.