What is a burette clamp used for?
A burette clamp is an essential tool for any lab that requires heating a solution with a burner and ring stand. This metal tool attaches to the stand to hold a glass burette, test tube, flask, etc.
What is the use of pinch clamp in laboratory?
Pinch Clamp: Description: Metal clamp with finger grips. Uses: To clamp a rubber connector.
How do you use a Buret clamp?
The valve at the end of a buret is called a stopcock.
- Rinse the buret two or three times with the liquid you wish to use.
- Clamp the buret in a buret clamp attached to a ringstand.
- Fill the buret with the liquid you wish to deliver and read the volume.
- Slowly allow the liquid to drain into the receiving vessel.
What is the function of aspirator in laboratory?
An aspirator, also called an ejector or filter pump, is a device that produces vacuum by means of the Venturi effect. In an aspirator, fluid (liquid or gaseous) flows through a tube which then narrows. When the tube narrows, the fluid’s speed increases, and because of the Venturi effect, its pressure decreases.
What is the use of aspirator in laboratory?
A device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity. Any apparatus for moving air, fluids, etc. by suction; specif., an apparatus using suction to remove a fluid or gas from a body cavity.
What is the function of screw clamp?
Screw clamps is the general term given to a group of clamps which use a screw mechanism to adjust the jaws and clamp a workpiece in place. They are strong and sturdy fastening devices – once the screw is in position, it takes a lot of force to accidentally loosen it.
What is clamp in chemistry?
A utility clamp is a laboratory apparatus resembling a pair of scissors. It is used to hold round laboratory glassware, such as beakers, and flasks, etc.
How is a buret used?
A burette is used to dispense small volumes of liquid called aliquots, or sometimes gas, with high accuracy. It consists of a long glass tube with a valve at one end to control the flow of liquid. Burettes serve essentially the same purpose as a pipette. Gravity causes fluid to flow when the valve is opened.
What is the function of a vacuum aspirator?
Vacuum or suction aspiration is a procedure that uses a vacuum source to remove an embryo or fetus through the cervix. The procedure is performed to induce abortion, as a treatment for incomplete miscarriage or retained pregnancy tissue, or to obtain a sample of uterine lining (endometrial biopsy).
What is meant by aspirator?
Definition of aspirator : an apparatus for producing suction or moving or collecting materials by suction especially : a hollow tubular instrument connected with a partial vacuum and used to remove fluid or tissue or foreign bodies from the body.
What is a ring clamp used for in chemistry?
Ring clamps and miscellaneous stands Open and closed rings are a common means of supporting laboratory apparatus. They do not clamp, per se, but they are used to stabilize or support items such as separatory funnels, or to hold beakers over open flames. Some are available with a PVC coating to cushion the glassware.
What is the type of clamp?
The types which are found in the screw clamp category include G clamps (also known as C clamps), F clamps, edging clamps, wooden hand screw clamps and rack clamps.