Erlenmeyer Flask USE Hold solids or liquids that

























































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Erlenmeyer Flask

USE: • Hold solids or liquids that may release gas or splatter if stirred or heated

Beaker

USE: • Holds solids or liquids • Poor accuracy- only estimates volume

Hot Hands

USE: • Use to hold beakers when warm • Should not be used when liquid is boiling

Graduated Cylinder

USE: • Measure volumes of liquids • Best everyday measuring tool

Test Tubes

USE: • Mix chemicals • Heat chemicals- only use pyrex of kimax

Burette

USE: • Very accurately measures volumes of liquids • Dispenses small measurable amounts of liquids

Beaker Tongs

USE: • Move beakers with hot liquids • Do not use these in a flame

Bunsen Burners

USE: • Heating nonvolatile liquids or solids • Make sure hose is snug on gas outlet

Electronic Balance

USE: • Accurately determines the mass of a substance • Make sure balance is zeroed • Never place chemicals directly onto blanace pan

Crucible and Cover

USE: • Heat certain solids to very high temperatures • Covers used to contain any smoke particles

Crucible Tongs

USE: • Handling hot objects • Not use for picking up beakers

Evaporating Dish

USE: • Heating stable solid compounds • Evaporating nonvolatile solutions

Forceps

USE: • Hold or pick up small objects

Funnel

USE: • Aid in the transfer of liquids from one vessel to another • Holds filter paper

Pipette

USE: • Transfer small volume of liquid usually one drop at a time

Clay Triangle

USE: • Supports crucibles when being heated • Can also support a funnel

Well Plate

USE: • Perform many small scale reactions at one time

Ring Stand

USE: • Safe and convenient way to perform reactions requiring heating using a lab burner • Never put them in the cabinet if hot

Wire Gauze

USE: • Sits on iron ring to provide place to stand a beaker

Scoopulua

USE: • Transfer solid chemicals • Never insert directly into a reagent bottle

Stirring Rod

USE: • Manually stir solutions • Assists in pouring liquids

Flint/Striker

USE: • Used to light lab burners • Do not operate repeatedly (very expensive)

Test Tubes Tongs

USE: • Holding test tube that are too hot to handle

Wash Bottle

USE: • Rinse solids from other equipment when trying to conserve solid

Mortar & Pestle

USE: • Grind solids into fine powders • Thicker porcelain is heavy duty

Watch Glass

USE: • Hold small amount of solid • Used as a cover for dish or beaker

Weigh Boat

USE: • Weigh solids that will be transferred to another vessel • Never put chemicals directly on weigh plate

Hot Plate

USE: • Allows heating directly to substance • Can heat slowly to varying temperatures • Never place substance directly on the plate

• https: //www. slideshare. net/Cheryl. Bausman/14 laboratory-equipment
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