A retention gap 1 m Ă- 0,32 mm i.d. connected to a CP-WAX 57 CB column 50 m Ă- 0,32 mm i.d. 0,2 µm film thickness (stabilised polyethylene glycol) followed by a Carbowax 400 column 50 m Ă- 0,32 mm i.d. 0,2 µm film thickness.
Predkolona 1m x 0,32 mm i.d., povezana s kolono CP-VAX 57 CB 50 m x 0,32 mm i.d. z debel ino nanosa 0,2 Δ›m (stabilizirani polietilenglikol), ki ji sledi kolona Carbowax 400 50 m x 0,32 mm i.d. z debelino nanosa 0,2 Δ›m.