Copper cylinders and large test-tubes intended for the reception of pipettesare prepared in a similar manner, in order to protect the points of these articles from injury.
Make a mark with the grease pencil on the stem of one of the pipettes about 2 or 3 cm.
Collect specimens of pus or other exudation in capillarypipettes for subsequent examination.
Sear the surface of the left ventricle with a red-hot iron and remove fluid blood from the heart by means of sterile pipettes (e.
Place the box with the pipettes in the incubator and set the signal clock to ring at 15 minutes (or start the stop watch).
Dilution of the Specific Serum~: Apparatus required: Sterile graduated capillary pipettes to contain 10 c.
Special pipettes for the collection of fairly large quantities of blood (as suggested by Pakes) should also be prepared.
Place the pipettes in a convenient receptacle, filled with water to which soap powder has been added.
Some common forms of absorptionpipettes are shown in figs.
The same order of absorption and general directions pertaining to the use of Hempel pipettes have to be adopted.
This may be accomplished by means of the (5) apparatus and pipettes devised by Professor Barber of the University of Kansas (Figs.
Sterile graduated pipettes varying in capacity from 1 cc graduated in hundredths, upward, permit the transfer of definite amounts of liquids.
Burettes~ differ mainly from pipettes in having the flow of liquid controlled from below instead of from above.
The volume contents of the pipettes are most carefully determined and the depth of the cell is established by accurate micrometric measurement, thus permitting very exact observations by means of this instrument.
Thoma's Haemacytometer= consists of an object glass with carefully constructed cell, a ground absolutely plane coverglass and two pipettes for mixing the blood and saline solution used in the examinations.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "pipettes" in a variety of sentences. We hope that you will now be able to make sentences using this word.
