Zuig in de 10 ml injectiespuit 1 ml hexaan, 0,5 ml lucht en ten slotte 0,5-1,0 ml monsteroplossing.
Using the microsyringe of 10 ml capacity draw in 1 ml of hexane followed by 0,5 ml of air and subsequently 0,5 to 1 ml of the sample solution; the plunger of the microsyringe is raised to empty the needle.