Laboratory Apparatus

Beaker

used for holding liquids

Beaker

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Florence Flask

Designed for uniform heating, boiling, distillation, and ease of swirling

Florence Flask

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Erlenmeyer Flask

Used for mixing or swirling (e.g., titration), heating, cooling, incubation, filtration, and storage

Erlenmeyer Flask

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Volumetric Flask

Used for measuring accurate volumes of liquid

Volumetric Flask

Used to prepare standard solutions and dilute samples to a affixed volume before taking an aliquot with a pipette

aliquot

fraction of a solution

Volumetric Flask

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Graduated Cylinder

Used to measure the volume of liquids

Graduated Cylinder

Has a narrow, cylindrical shape with markings along the cylinder that indicate the volume of liquid

Graduated Cylinder

Provides more accurate and precise measurements than flasks and beaker

Graduated Cylinder

Should not be used for volumetric analysis, where higher accuracy is require

Graduated Cylinder

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Pipette

Permits the transfer of accurately known volumes from one container to another

Pipette

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Volumetric Pipette

Known as a transfer pipette

Volumetric Pipette

Designed to deliver a single, fixed volume of liquid

Volumetric Pipette

Used for accurate measurements because it is calibrated to deliver only one specific volume

Volumetric Pipette

Many are color coded by volume for easy identification and sorting

Volumetric Pipette

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Measuring Pipette

Straight bore pipet marked at different volume intervals

Measuring Pipette

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Serological Measuring Pipette

blown out, all liquids are expelled

Serological Measuring Pipette

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Mohr Measuring Pipette

are not blown out, not all liquids are expelled

Mohr Measuring Pipette

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Burette

Used for the accurate delivery of a variable volume of solution

Burette

Primarily used in titrations, where a standard solution is gradually added to a sample solution

Burette

The solution is added until the endpoint is reached, indicating the completion of the reaction

Burette

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Test Tube

Used to hold, mix, and heat substances

Test Tube

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Medicine Dropper

Used to dispense tiny amounts of liquid

Medicine Dropper

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Watch Glass

Used to weigh solids and as a lid for flasks and beakers

Watch Glass

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Evaporating Dish

Used for the evaporation of liquids and solutions

Evaporating Dish

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Thermometer

Used to measure temperature

Thermometer

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Mortar and Pestle

Used to grind solid chemicals into fine, powder and crush solids into smaller pieces

Mortar and Pestle

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Funnel

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Funnel

used to filter, fill, decant, or transfer liquids from one vessel to another

Stirring rod

Used to mix liquids, or solids and liquids and dab liquids in litmus paper

Stirring rod

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Crucible and Cover

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Crucible and Cover

Used to contain substances when heating to very high temperatures

Iron Stand

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Iron Stand

used for fixing and supports various instuments

Iron Clamp

Used in a variety of settings for supporting and securing other items of laboratory apparatus such as flasks, reaction vessels, tubing, and thermometers

Iron Clamp

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Iron Ring

Used for supporting apparatus above the work surface

Iron Ring

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Wire gauze

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Wire Gauze

Provides a stable, heat resistant surface for containers

Test Tube Holder

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Test Tube Holder

Used to hold and transport test tubes safely and securely

Crucible Tong

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Crucible Tong

Used to lift a hot crucible from a furnace or for other items which cannot be handle with bare hands

Test Tube Rack

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Test Tube Rack

used to hold multiple test tubes upright at the same time

Alcohol Lamp

used for heating, sterilization, and combustion in a laboratory

Alcohol Lamp

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Top Loading Balance

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Top Loading Balance

used for weighing, advantages: speed, ruggedness, large capacity, and convenience

Analytical Balance

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Analytical Balance

used to weight reagent/sample with high accuracy

Analytical Balance

can weight up to 0.1 mg

Analytical Balance

Advantage: accurate and can weigh smaller samples

Bunsen Burner

produces a single open gas flame for heating, sterilization, and combustion

Bunsen Burner

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