Lab EquipmentLab Equipment

BeakerBeaker

Beakers hold solids or Beakers hold solids or liquids that will not liquids that will not release gases when release gases when reacted or are unlikely reacted or are unlikely to splatter if stirred or to splatter if stirred or heated.heated.

Erlenmeyer FlaskErlenmeyer Flask

Erlenmeyer flasks hold Erlenmeyer flasks hold solids or liquids that may solids or liquids that may release gases during a release gases during a reaction or that are reaction or that are likely to splatter if likely to splatter if stirred or heated.stirred or heated.

Florence FlaskFlorence Flask

Rarely used in first year Rarely used in first year chemistry, it is used for chemistry, it is used for the mixing of chemicals. the mixing of chemicals. Narrow neck prevents Narrow neck prevents splash exposure.splash exposure.

Graduated CylinderGraduated Cylinder

A graduated A graduated cylinder is used to cylinder is used to measure volumes of measure volumes of liquids.liquids.

Gas Collecting BottleGas Collecting Bottle

We use gas collecting bottles We use gas collecting bottles when large volumes of gases are when large volumes of gases are produced, and must be collected produced, and must be collected by the displacement of water.by the displacement of water.

Test TubesTest Tubes13 x 100 mm test tubes13 x 100 mm test tubes

10 x 75 mm test tubes10 x 75 mm test tubes

IgnitionIgnitiontubetube

Test Tube HolderTest Tube Holder

A test tube holder is A test tube holder is useful for holding a useful for holding a test tube which is test tube which is too hot to handle.too hot to handle.

Test Tube BrushesTest Tube BrushesTest tube brushes are Test tube brushes are used to clean test tubes used to clean test tubes and graduated cylinders.and graduated cylinders.

Forcing a large brush into Forcing a large brush into a small test tube will a small test tube will often break the tube.often break the tube.

Test Tube RacksTest Tube Racks

Test tube racks are for holding and organizing test Test tube racks are for holding and organizing test tubes on the laboratory counter. Plastic racks may tubes on the laboratory counter. Plastic racks may melt in contact with very hot test tubes.melt in contact with very hot test tubes.

Rubber StoppersRubber Stoppers

Rubber stoppers are used Rubber stoppers are used to close containers to avoid to close containers to avoid spillage or contamination.spillage or contamination.

Containers should never be Containers should never be heated when there is a heated when there is a stopper in place.stopper in place.

Spot PlatesSpot Plates

Spot plates are used when Spot plates are used when we want to perform many we want to perform many small scale reactions at small scale reactions at one time. We will use one time. We will use these many times during these many times during the year. the year.

Watch GlassWatch Glass

A watch glass is used to A watch glass is used to hold a small amount of hold a small amount of solid, such as the solid, such as the product of a reaction.product of a reaction.

Glass Stir RodGlass Stir Rod

A glass rod is used to A glass rod is used to manually stir solutions. manually stir solutions. It can also be used to It can also be used to transfer a single drop of transfer a single drop of a solution.a solution.

Medicine DropperMedicine Dropper

A medicine dropper is A medicine dropper is used to transfer a used to transfer a small volume of liquid small volume of liquid (less than one mL).(less than one mL).

On top of each medicine dropper is a “On top of each medicine dropper is a “rubber bulbrubber bulb””

Litmus PaperLitmus Paper

RedRed litmus paper is litmus paper is used to identify used to identify bases.bases.

BlueBlue litmus paper is litmus paper is used to identify used to identify acids.acids.

ForcepsForceps

Forceps (or tweezers) are used to pick up small Forceps (or tweezers) are used to pick up small objects.objects.

FunnelFunnel

A funnel is used A funnel is used to aid in the to aid in the transfer of liquid transfer of liquid from one vessel from one vessel to another.to another.

Mohr PipetMohr Pipet

A Mohr pipet A Mohr pipet measures and measures and delivers exact delivers exact volumes of liquids.volumes of liquids.

Wash BottleWash Bottle

A wash bottle has a A wash bottle has a spout that delivers a spout that delivers a wash solution to a wash solution to a specific area. Distilled specific area. Distilled water is the only liquid water is the only liquid that should be used in a that should be used in a wash bottle.wash bottle.

Weighing BoatWeighing Boat

Weighing boats are used to Weighing boats are used to weigh solids that will be weigh solids that will be transferred to another transferred to another vessel.vessel.

SpatulasSpatulas

Spatulas are used to Spatulas are used to dispense solid chemicals dispense solid chemicals from their containers. from their containers.

Chemicals should never Chemicals should never be transferred with be transferred with your bare hands.your bare hands.

Beaker TongsBeaker Tongs

Beaker tongs are Beaker tongs are used to move beakers used to move beakers containing hot liquidscontaining hot liquids

Bunsen BurnerBunsen Burner

Bunsen burners are used Bunsen burners are used for the heating of for the heating of nonvolatile liquids and nonvolatile liquids and solids.solids.

Evaporating DishEvaporating Dish

The evaporating dish is The evaporating dish is used for the heating of used for the heating of stable solid compounds stable solid compounds and elements.and elements.

CrucibleCrucible

Crucibles are used for Crucibles are used for heating certain solids, heating certain solids, particularly metals, to particularly metals, to very high temperatures.very high temperatures.

Clay TriangleClay Triangle

The clay triangle is used The clay triangle is used as a support for as a support for porcelein crucibles when porcelein crucibles when being heated over a being heated over a Bunsen burner.Bunsen burner.

Crucible TongsCrucible Tongs

For handling hot crucibles; For handling hot crucibles; also used to pick up other also used to pick up other hot objects. hot objects. NOTNOT to be to be used for picking up used for picking up beakers! beakers!

Glass PlatesGlass Plates

Glass plates provide a Glass plates provide a surface for semi-micro surface for semi-micro scale experiments, scale experiments, such as drop reactions such as drop reactions and testing of acids and testing of acids and bases.and bases.

Triangular FileTriangular File

Triangular files are Triangular files are used primarily to cut used primarily to cut glass rod, a skill glass rod, a skill that your instructor that your instructor will share with you will share with you when it becomes when it becomes useful.useful.

Ringstands and their ComponentsRingstands and their Components

Ringstands are a safe and Ringstands are a safe and convenient way to perform convenient way to perform reactions that require heating reactions that require heating using a Bunsen burner.using a Bunsen burner.

Ringstands and their ComponentsRingstands and their ComponentsIron RingsIron Rings

Iron rings connect to a Iron rings connect to a ringstand and provide a ringstand and provide a stable, elevated platform stable, elevated platform for the reaction.for the reaction.

Ringstands and their ComponentsRingstands and their ComponentsUtility ClampsUtility Clamps

Utility clamps are used to Utility clamps are used to secure test tubes, secure test tubes, distillation columns, and distillation columns, and burets to the ringstand.burets to the ringstand.

Ringstands and their ComponentsRingstands and their ComponentsDouble Buret ClampsDouble Buret Clamps

Double Buret Double Buret clamps are used to clamps are used to burets – long burets – long graduated tubes graduated tubes used in titration.used in titration.

Ringstands and their ComponentsRingstands and their ComponentsWire GauzeWire Gauze

Wire gauze sits on the iron Wire gauze sits on the iron ring to provide a place to ring to provide a place to stand a beaker. stand a beaker.

On older wire gauze, the On older wire gauze, the white material is asbestos!white material is asbestos!

Pressed Fiber PadPressed Fiber Pad

A 4” x 4” square A 4” x 4” square of ceramic fiber, it of ceramic fiber, it provides a surface provides a surface for hot beakers so for hot beakers so that the beaker that the beaker does not come in does not come in contact with a cold contact with a cold countertop and countertop and shatter.shatter.

StrikersStrikers

Strikers are used to Strikers are used to light Bunsen burners. light Bunsen burners.

The flints on strikers are The flints on strikers are expensive. Do not operate expensive. Do not operate the striker repeatedly the striker repeatedly just to see the sparks!just to see the sparks!