laboratory equipment and their functions. goggles most important piece of lab equipment ) most...

LABORATORY EQUIPMENT AND THEIR FUNCTIONS

Goggles

Most important piece of lab equipment)

Protects eyes from broken glass, chemicals and flames.

Beaker

Measures liquids

(but not very accurately)

May be heated Used to hold or

mix chemicals

Stirring Rod

Glass rod used for stirring

BE CAREFUL! They break easily

Erlenmeyer Flask Measures

liquids (but not

accurately) May be heated Used for

mixing Used in

titrations

Graduated Cylinder

Measures volumes of liquids accurately

Test Tube May be

heated Mix

chemicals Holding small

amounts of chemicals

Wire Gauze

Spreads out the heat produced by a Bunsen burner

Test Tube Holder

DUHHHHH It holds a test

tube

Test Tube Rack

Holds test tubes in a vertical position.

Allows for clear sight.

Drying rack

Ring Stand Multi-purpose,

mostly used as a support to heat chemicals and hold burets.

Test Tube or Utility Clamp

Clamps to ring stand on one side. The other side holds test tubes, burets and flasks.

Ring Clamp One side clamps

to ring stand. Place wire gauze on ring and it will hold beakers and flasks for heating. Can hold small beakers in place to prevent spilling.

Watch Glass Used as a

beaker cover Can be used to

place small amounts of chemicals on

(looks like a contact lens)

Funnel Holds filter

paper for filtering solutions.

Transferring liquids to smaller narrow necked containers.

Evaporating Dish

Holds small volumes of liquids being evaporated.

Mortar and Pestle

Used for grinding crystals

Plastic Wash Bottle

Dispenses water for rinsing equipment

Clay Triangle Supports a

crucible in a ring stand apparatus.

Crucible and Lid Holds small

amounts of chemicals for heating at high temperatures.

Forceps

Used to pick up small items.

Crucible Tongs

Pick up and hold small hot items like a crucible.

Bunsen Burner (& Striker)

Controls release of natural gas for burning.

Surgical tubing connects to gas source.

Striker with flint is used to ignite the burner

Electronic Balance

Measures mass in grams

Rubber Stopper

Covers test tube for mixing

Scoopula

Used to transfer solids from one container to another