Types Of Pipettes

Question 1

Does not have graduations to the tip.it is a self-draining pipette, but the tip should not be allowed to touch while the pipette is draining.

Answer 1

Mohr Pipette

Question 2

has graduation marks to the tip and is generally a blowout pipette

Answer 2

Serologic pipettes

Question 3

is a pipette with a total holding volume of less than 1 mL; it may be designed as either a Mohr or a serologic pipette.

Answer 3

Micropipette

Question 4

are used with biologic fluids having a viscosity greater than that of water. They are blowout pipettes, indicated by two etched continuous rings at the top.

Answer 4

Ostwald-Folin pipettes

Question 5

is designed to dispense or transfer aqueous solutions and is always self-draining

Answer 5

Volumetric pipette

Question 6

The bulb- like enlargement in the pipette stem easily identifies the

Answer 6

Volumetric pipette

Question 7

This type of pipette usually has the greatest degree of accuracy and precision and should be used when diluting standards, calibrators, or quality control material. They should only be used once prior to cleaning.

Answer 7

Volumetric pipette

Question 8

are designed to dispense one volume without further subdivisions.

Answer 8

Transfer pipettes

Question 9

Pipette with a pipetting capability of less than 1 mL

Answer 9

Micropipette

Question 10

pipette that dispenses greater than 1 mL

Answer 10

Automatic macropipette

Question 11

may or may not have calibration marks and are used to transfer solutions or biologic fluids without consideration of a specific volume.

Answer 11

Disposable transfer pipettes

Question 12

These pipettes should not be used in any quantitative analytic techniques.

Answer 12

Disposable transfer pipettes

Question 13

are able to attach multiple pipette tips to a single handle and can then be used to dispense a fixed volume of fluid to multiple wells, such as in delivery to a multiwell microtiter plate.

Answer 13

Multichannel pipettes