WebNov 28, 2011 · Immerse the tip to the proper depth – Large volume pipettes (1-5mL) should be immersed 5-6 mm below the meniscus. Smaller volume pipettes should be … WebAug 15, 2024 · Moreover, when held behind the buret, the upper limit of the black streak ought to be placed just under the meniscus, so that the bottom of the meniscus can be seen distinctly against a narrow zone of white. ... Pipettes and burettes accumulate inert solid material which must be removed from time to time. Here at the left is the nozzle of a ...
Bio Lab Midterm 2010L Flashcards Quizlet
WebDraw solute-containing solution into pipette, until the meniscus is a few cm above line. Drain the pipette until the bottom of the meniscus is at the fill line, while maintaining contact... WebFeb 4, 2024 · When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume, as in the image at the left. The pipet can … display cases for rifles
Proper Use of a Buret - Chemistry LibreTexts
http://chemed.chem.purdue.edu/genchem/lab/equipment/pipet/use.html WebApr 24, 2024 · There are three kinds of pipettes typically used in labs: Pasteur pipettes, volumetric pipettes and micropipettes. Volumetric pipettes are more common in chemistry laboratories, while micropipettes and Pasteur pipettes are indispensable in molecular biology and biochemistry labs. WebWipe off excess liquid from the outside of the pipette tip with tissue (EXCEPTION: pipetting infectious fluids or concentrated acids or bases). IMPORTANT - DO THIS STEP BEFORE ADJUSTING MENISCUS. 5. Adjust meniscus to zero mark (at eye level to avoid parallax error) - ensure pipette is held vertically display cases for thimbles