ACT NO. 4: Volume Measurements Flashcards
Pipettes are used for measuring ______ volumes of liquid.
SMALL volumes of liquid
TD meaning
to deliver
This indicates that the measurement of this graduate will compensate for the excess liquid that adheres to the surface of the graduate after emptying.
to deliver
TC meaning
to contain
This indicates an accurate measurement of volume but pouring into another container will not necessarily deliver the indicated volume.
to contain
Error that occurs due to incorrect positioning of the eyes while taking a reading on a measuring scale.
Parallax error
The mark at the bottom of the meniscus for ?
colorless liquids
The mark at the top of the meniscus for ?
colored liquids
Used for transferring liquid to another container or to transfer a small amount of reagent for use in procedures.
Beaker
They are generally more accurate and precise for this purpose than flasks.
Graduated Cylinder
This is a semi- accurate liquid measuring vessels.
Graduated Cylinder
Used for measuring small volumes of liquid.
Pipettes
This will dispense that exact volume indicated.
TD Pipette
This holds or contains a particular volume but does not dispense that exact volume.
TC Pipette
This has a continuous etched ring, or two small, close continuous rings located near the top of the pipet.
Blowout Pipette
