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the lower end of the glass column to be filled is sealed with an approximately 1 cm long plug of glass wool, which had been silanized before, and which is pressed in using a steel rod.
den nederste ende af den glaskolonne, som skal fyldes, forsegles med en ca. 1 cm lang tot glasuld, der på forhånd er silaniseret, og som presses ind med en stålstang.
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.
u-formet glaskolonne (2 mm i.d. 500 mm lang), som forinden silaniseres efter punkt 6.1 med dimethylchlorosilan for at deaktivere glasoverfladen.