AP Chemistry Lab Equipment Practice

Beaker

An open cylindrical container with a pouring lip; used for mixing larger amounts of substances

Graduated Cylinder

Used to measure volume of liquids - more precise than a beaker (increments are smaller than a beaker)

Erlenmeyer Flask

Used to hold liquids, has narrow neck to prevent splashes; flat bottom

Test Tube

A thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments

Test Tube Rack

Holds 5-6 test-tubes in a row

Tirrill Burner

Used to heat substances; allows for adjusting gas and air supply

Bunsen Burner

Used to heat substances

Buchner Funnel

Porous, flat bottomed funnel used for vacuum filtration

Wire Gauze (with or without ceramic center)

Used to support a container (such as a beaker or flask) during heating

Hot Plate

An electrical device used to heat substances

Beral (Plastic) Pipet

Used to transfer small amounts of liquid from one area to another

Long Stem Funnel

Used to deposit liquids into containers

Short Stem Funnel

Used for simple gravity filtrations

Test Tube Holder

Spring metal; used to hold test tubes or glass tubing

Buret Clamp/Test Tube Clamp

Used to hold apparatus, may be fastened to the ring stand

Well Plate

Used to observe many reactions in small volume

Weigh Boat

Used to weigh or transfer chemicals (usually dry)

Crucible and Cover

Porcelain; used to heat small amounts of solid substances at high temperatures

Crucible Tongs

Used to pick up and hold small items or to hold the crucible

Hot Vessel Gripper

Used to pick up hot glassware

pH Paper

A piece of paper that changes colors depending on the amount of H+ ions in a solution and indicates the pH of the solution

Ring Stand and Ring Clamp

Stand/clamp used to secure lab equipment for experiments

Filter Flask

Used in conjunction with a vacuum connection to a water faucet to speed up filtration

Striker (Flint Lighter)

Used to light Bunsen burner

Beaker Tongs

Used to move a hot beaker

Scoopula

Used to transfer solid chemicals

Metal Spatula

Used to scoop and transport powders

Clay Triangle

Wire frame with porcelain supports; used to support a crucible

Forceps

Used to pick up or hold small items

Plastic Stirring Rod

Used to mix or stir substances

Wash Bottle

Used to dispense distilled water

Rubber Policeman

A hard tipped rubber scraper used to transfer precipitate

Test Tube (Glassware) Brush

Used to clean test tubes or other glassware

Mortar and Pestle

Used to grind solids into powders

Watch Glass

Glass; used to cover an evaporating dish or beaker

Evaporating Dish

Porcelain; used to evaporate liquids from a mixture

Faucet Aspirator

Used with the Buchner funnel and filter flask during filtration

Buret

A graduated glass tube with a tap at one end, for delivering known volumes of a liquid, especially in titrations

Volumetric Pipet

Glass; common sizes are 10 mL, 25 mL; used to measure solution volumes accurately; must not be heated

Magnetic Stirrer (Stir Station)

Used for dissolving chemicals to form solutions

Stir Bar and Retriever

Magnetic bar used in the stir station; retriever used to get stir bar out of container without touching any chemical

Volumetric Flask

Used for making solutions of precise volumes

Analytical Balance (to 0.0001 g)

A device for determining mass that gives extremely accurate measurements

Electronic Balance (to 0.01 g)

A device that measures mass

Pipet Filler

Used to draw liquids into a pipet

Glass Stirring Rod

Used to mix or stir substances; made of glass to resist heat, stains, corrosion