Lab Equipment

Beaker

A beaker is a simple container for stirring, mixing and heating liquids commonly used in many laboratories.

Beaker Tongs

Erlenmeyer Flask

Erlenmeyer Flasks are useful for swirling/ mixing, without risk of spillage. They Are suitable for boiling liquids. Hot vapors condense on the upper section of the Erlenmeyer flask, reducing loss of liquid. Erlenmeyer flasks’ narrow necks can also support funnels and stopper (aka covers)

Florence Flask

It is designed for uniform heating, boiling, distillation and ease of swirling.

Wide Mouth Bottle

Used for chemical storage

Graduated Cylinder

Graduated Cylinder is a piece of laboratory equipment used

to measure the volume of a liquid. Graduated cylinders are

generally more accurate and precise than laboratory

flasks and beakers. They are not used for Mixing.

Wash Bottle

A wash bottle is a squeeze bottle with a nozzle, used to rinse

various pieces of laboratory glassware, such as test

tubes and round bottom flasks.

Test Tub & Ignition Tube

Test tubes (on left) are widely used by chemists to hold, mix, or

A wash bottle is a squeeze bottle with a nozzle, used to rinse

various pieces of laboratory glassware, such as test

tubes and round bottom flasks.

indirectly heat small quantities of solid or liquid chemicals

Ignition Tube (right) is used for boiling under direct heat. Will be

labeled with the word Pyrex.

Test Tube Brush & Rack

Test Tube Rack: holds test tubes

Test Tube Brush: is used to clean test tubes and other glassware.

Test Tube Holder

Test Tube Holder: Used to hold and transport test tubes

safely. They are great for moving hot test tubes.

Buret

Burets are used in dispensing measured amounts of liquid.

They are accurate and must be read from the bottom of the

bubble. (see photo on left)

Graduated & Volumetric Pipet

Graduated Pipettes consist of a long tube with a series of graduations or marks to indicate different calibrated volumes.

Volumetric Pipette allow the user to measure a volume of solution extremely accurately (accuracy of four significant figures). These pipettes have a large bulb with a long narrow portion above with a single graduation mark as it is calibrate for a single volume.

Micro Pipet

Micro pipet : Is a disposable pipet. Used for moving small

amounts of liquid from one place to another. They are

inaccurate measuring tools.

Funnel

Funnel is a pipe with a wide conical mouth and a narrow stem. It is

used to channel liquid or fine-grained substances into containers

with a small opening. Without a funnel, spillage would occur.

Utility Clamp & Ring Stands

Utility Clamps are made with three prongs or with two rounded prongs, with one on each side. They are commonly used to hold laboratory glassware, such as Erlenmeyer flasks, distillation flasks, glass tubing, round bottom flasks.

Ring Stand: Is used to support utility clamps and ring stands for procedures such as boiling.

Ring Support & Wire Gauze

Ring Supports are used to support beakers on a stand while being placed over an open flame.

Wire Gauze are placed over ring stands so that beakers can be placed over them & heated. (See photo far right)

Crucible & Cover

A crucible is a container that can withstand very high

temperatures and is used for metal, glass,

and pigment production.

Clay Triangle

Clay Triangles: are used along with ring stands to hold a

crucible while being heated.

Crucible Tongs

Crucible tongs are large pincers made of welded steel that are

used to grasp and take a hot crucible out of a fire or furnace,

or to move a crucible from one location to another.

Bunsen Burner

The device in use today safely burns a continuous stream of a

flammable gas such as natural gas (which is principally methane) or

a liquefied petroleum gas such as propane, butane, or a mixture of both.

Types of Flames

In order for something to burn only fuel and oxygen are needed. On a

Bunsen burner the fuel is adjusted using the needle valve. The oxygen is

adjusted using a collar/sleeve at the bottom of the chemeny. When to

much fuel is present the 1st type of flame is produced. This is called a

dirty flame. The yellow flame is considered "dirty" because it leaves a

layer of carbon on whatever it is heating. When the ideal amount of

oxygen and fuel are mixed the 2nd type of flame is produced and appears

blue.

Burette Clamp

Buret Clamp: are used to hold burets. One end of the clamp

holds the buret the other end attaches to a ring stand.

Evaporating Dish

Evaporating dishes are used to evaporate liquid from a

sample. They may be lightly heated. Swirling or mixing in

these dishes is considered bad practice.

Mortar and Pestle

Used to grind chemicals into fine powders.

Watch Glass

A watch glass is a circular concave piece of glass used in

chemistry as a surface to evaporate a liquid, to hold solids

while being weighed, or as a cover for a beaker.