Betekenis van:
pipette

pipette
Zelfstandig naamwoord
  • glazen buisje
  • measuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube

Synoniemen

Hyperoniemen

Hyponiemen


Voorbeeldzinnen

  1. Microlitre pipette.
  2. Graduated pipette of 10 mL
  3. Add 100,0 ml of acidified methanol (3.8) by pipette.
  4. Pipette 5 ml of the vanillin standard solution (4.5.2) into a 100 ml volumetric flask.
  5. Allow the sediment to settle and pipette 10,0 ml of the supernatant solution into a beaker.
  6. Aspirate carefully and remove the liquid phase (e.g., with a Pasteur pipette).
  7. Add 100,0 ml of acidified methanol (3.8) by pipette. Stopper loosely and swirl to disperse.
  8. Transfer onto the column by pipette 5,0 ml of the sample extract prepared in (5.2) Rest the pipette tip close to the column wall and allow the solution to be absorbed onto the aluminium oxide.
  9. Pipette 10 ml of solvent A (3.2) into each of two other 25 ml graduated flasks (C and D).
  10. Subsequently pipette a similar volume of undiluted pellet (1/1) onto the remaining windows on the row.
  11. Allow the sediment to settle and pipette 10,0 ml of the supernatant solution into a 100 ml beaker.
  12. Using a pipette take 50 ml of the solution and transfer to a 100 ml volumetric flask.
  13. Pipette identical aliquot parts of filtrate containing 50 to 100 μg of gossypol into each of two 25 ml graduated flasks (A and B).
  14. Using a pipette, add 50 ml of solvent A (3.2), stopper the flask and mix for one hour in the mixer.
  15. Pipette 2,0 ml of the vitamin A palmitate stock solution (3.12.1) into a 50 ml graduated flask (4.2.2) and make up to the mark with 2-propanol (3.8).