U-vormige glazen kolom (invoerdiameter 2 mm, 50 cm lang), die eerst volgens paragraaf 6.1 wordt gesilaneerd met dimethylchloorsilaan teneinde het glasoppervlak te inactiveren.
U-shaped glass column (inside diameter 2 mm, 500 mm in length), which is first silanized according to section 6.1 with dimethylchlorosilane in order to deactivate the glass surface.