Lab Equipment Procedures. Goggles Protect eyes.

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Lab Equipment & Procedures

description

Graduated Cylinder Accurately measure liquids

Transcript of Lab Equipment Procedures. Goggles Protect eyes.

Page 1: Lab Equipment  Procedures. Goggles Protect eyes.

Lab Equipment &

Procedures

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GogglesProtect eyes

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Graduated Cylinder

Accurately measure liquids

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Mortar & Pestle

Crushing solids

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Plastic Wash bottle

Rinse lab equipment

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Test Tube

Small scale chemical reactions

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Test tube rack

Hold multiple test tubes at once

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Test tube brush

Cleaning test tubes

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Test tube tongs

Holding one test tube

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Watch glassSmall chemical reactions & for

covering beakers

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Well plate

Comparing small scale reactions

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funnelTransfer a liquid from a large container to a small container

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Petri dishSmall reactions that need to be

covered

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spatula

Picking up tiny amounts of solid

chemical

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scoopulaPicking up small amounts of solid

chemical

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forcepsPicking up one small piece of

solid

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Rubber stoppers

Closing or plugging a container

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Volumetric flask

Diluting solutions

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Erlenmeyer flask

Mixing and heating chemicals;

Storing chemicals

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Beaker

Mixing and heating chemicals

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Stirring rod

Stirring chemical solutions

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Plastic pipette Adding small amounts of

chemicals

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Ring stand

Used in conjunction with

other lab equipment

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Iron ringHolding lab equipment above the

burner

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Wire gauze

Placed on top of the iron ring

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Bunsen burner

heating

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Pipestem triangleHolding crucible or evaporating

dish above the burner

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Crucible and coverFor heating solid chemicals

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Evaporating dish

Drying out wet mixture/solid

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Crucible tongs

For picking up a hot crucible or evaporating dish

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Insulating padTo put hot stuff on

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Beaker tongsTo move hot beakers

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Wing tip

To spread the flame on a

Bunsen burner

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Striker

ignite a Bunsen burner

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Utility clampTo secure lab equipment to the

ring stand

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Thermometer

Measure temperature

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Hotplate

Heating chemicals without using an open flame

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Heating with burner1. Flame should be 2-3 inches high,

blue with a lighter blue inner cone2. Tip of flame should be 1-2 inches

below wire gauze3. 2nd iron ring to stabilize beakers

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Water bath1. Heats the test tube evenly2. Can be done with hotplate or burner3. Water level in beaker should be

higher than the water level in test tube

4. Utility clamp used to stabilize test tube

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Cooling hot equipment

1. Hot glass – use insulating pad and leave on lab bench until it is cool enough to touch, then run it under warm water, wipe dry with paper towel

2. Hot metal – pick up cool part and run hot part under cool water, wipe dry with paper towel

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Wearing gogglesGoggles should already be on and covering eyes (not forehead or neck) before you walk past the sink & dryrack in the back of the room!