GC packed column for Large Valve Oven, UltiMetal tubing, 41.28 mm coil, 2.6 ft (0.79 m) x 1/8 inch, 2.1 mm, 10 % OV-101 on Chromosorb WHP, mesh size 60/80, preconditioned, with 50 cm x 1/16 inch, 0.75 mm welded ends