Table 1. Selected commercial columns.

Column	Manufacturer	Material	Tested temperature
XBridge C-18a	Waters	Organo-silica hybrid	150°C9)
Gemini NX C18a	Phenomenex	Organo-silica hybrid	150°C9)
ZirChrom-PBDb	ZirChrom	Zirconia	300°C23)
Hypercarbb	Thermo Fisher Scientific	Porous Graphitic Carbon	200°C42)
ProSwiftc	Thermo Fisher Scientific (formerly Dionex)	Polymeric monolithic	150°C47)

^a Long-term durability not tested. ^b Well known thermal resistive column. ^c Operating temperature limited by the PEEK housing. PEEK has a glass transition temperature at 143°C.