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Different sizes of rubber bulbs. Rubber bulbs are used in chemistry laboratories, by placing them on top of a glass or plastic tube. It serves as a vacuum source for filling reagents through a pipette or pasteur pipette and also help control the flow of liquid from the dropping bottle. [1] By using rubber bulb, the contact of the mouth to the ...
The eye dropper, both glass and plastic types, can be sterilized and plugged with a rubber bulb at the open end of the pipette preventing any contamination from the atmosphere. [2] Generally, they are considered cheap enough to be disposable, however, so long as the glass point is not chipped, the eye dropper may be washed and reused indefinitely.
Bulb is named for the bulb on detachable rubber pneumatic shutter releases that came with early cameras. With shutters set to "B", the pneumatic release kept the shutter open for as long as the photographer squeezed the bulb—a "Bulb" exposure.
Then use a propipetter, a pipette bulb, or rubber bulb, to draw the liquid into the pipette. The effective way to control the volume of the solution is to use one's forefinger. [ 2 ] After getting the desired volume, the solution can be released into another vessel by lifting the finger.
When triggered by pressing a button, the piston springs up, creating suction that sucks the solder off the soldered connection. The bulb type creates suction by squeezing and releasing a rubber bulb. The pump is applied to a heated solder connection, then operated to suck the solder away.
Water will always try to find its lowest level. Using this principle, very simple pumps with plastic or rubber bulb with flap valve at each end are used for emptying fuel or water cans into tanks. Once the bulb is full, the fluid will flow without further effort from the higher to the lower container.
It still sports its streamlined profile and glossy rubber sole that's inspired from the original design. Get them in sizes 8.5 to 13. $38 at Nordstrom. Related Articles. AOL.
Bulb, a food-storage structure within some plants ... Rubber bulb, part of an eye dropper, which is also known as a dropper or pipette; The bulb setting on some cameras;
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