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Lab Equipment and Safety Procedures. Yes, you should take notes!. Funnel. used to pour liquid through a smaller opening Used for filtration Filter paper- fold in half, fold in half again, open b/w 1 and 3, place in filter. Scoopula. Used to pick up small amounts of substances or to stir.

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Lab equipment and safety procedures

Lab Equipment and Safety Procedures

Yes, you should take notes!


Funnel
Funnel

  • used to pour liquid through a smaller opening

  • Used for filtration

  • Filter paper- fold in half, fold in half again, open b/w 1 and 3, place in filter


Scoopula
Scoopula

  • Used to pick up small amounts of substances or to stir


Bunsen burner
Bunsen Burner

  • Gas valve perpendicular=OFF

  • Gas valve parallel=ON

  • Tie back hair and loose clothing

  • TURN OFF WHEN NOT BEING USED

  • Used for heating, sterilization, and combustion


Test tube brush
Test Tube Brush

  • Used to clean glassware


Watch glass
Watch Glass

  • Used as another surface


Test tube holder
Test Tube Holder

  • Made of wire and used to hold tube when you can't hold it directly


Well plate
Well Plate

  • Holds several small amounts of liquids


Goggles
Goggles

  • Must be on at ALL times during a lab


Pipet
Pipet

  • To use squeeze bulb

  • RINSE THOROUGHLY BETWEEN THE TRANSFER OF DIFFERING CHEMICALS TO ELIMINATE CONTAMINATION


Test tube
Test Tube

  • holds small amounts of liquids


Evaporating dish
Evaporating Dish

  • Used to heat or cool

  • Also used to crush chemicals


Crucible
Crucible

  • Used to hold substances for heating

  • Made of steel


Test tube rack
Test Tube Rack

  • Divots for holding test tubes in upright position

  • Pegs for drying of test tubes in upside down position


Hot plate
Hot Plate

  • TURN OFF AND UNPLUG WHEN NOT IN USE

  • Used for heat


Graduated cylinder
Graduated Cylinder

  • Read from bottom of MENISCUS (U shape)

  • A tall glass cylinder with a range of calibrated markings that is used for visually MEASURING THE VOLUMES OF LIQUIDS


Erlenmeyer flask
Erlenmeyer Flask

  • Used in filtrations and distillations


Ceramic triangle
Ceramic Triangle

  • Used to hold for heating


Clamp
Clamp

  • Clamps rubber tubing to stop the flow of liquid

  • An extension off of the ring stand used to hold other lab equipment


Mortar and pestle
Mortar and Pestle

  • Used to grind

  • May have one in your kitchen


Tongs
Tongs

  • Used to move hot objects like crucibles


Striker
Striker

  • Used to light Bunsen burner


Iron ring
Iron Ring

  • Attached to ring stand

  • Supports beakers on the ring stand so that they may be heated


Beaker
Beaker

  • A cylinder container used to hold and transfer liquids

  • Several sizes


Wire gauze
Wire Gauze

  • Allows for more even and gradual heating of glassware

  • Place on iron ring


Thermometer
Thermometer

  • Be careful… they roll off tables!


Ring stand
Ring Stand

  • The base supporting the iron ring


Triple beam balance
Triple Beam Balance

  • Measures mass – amount of matter in an object

  • Be sure all weights are pushed completely to the left

  • Start with highest weight and work your way down

  • You want the beam to balance in the middle of the arm


Beaker tongs
Beaker Tongs

  • Large, curved tongs

  • Special tongs used for handling hot glassware


Wash bottle
Wash Bottle

  • Filled with water

  • Plastic, with plastic straw

  • Squeeze gently to rinse glassware


Rubber stopper
Rubber Stopper

  • Holds thermometer in place while measuring temperature

  • Used to seal glassware to prevent contaminants from entering


Timer
Timer

  • Keep track of how long it takes a reaction to take place

  • Measure in seconds


Hot glove
Hot Glove

  • Move hot items


A few extra reminders
A Few extra reminders…

  • Kill jar – labeled container for disposing of chemicals that cannot be rinsed down the sink

  • If you have extra reagent, do NOT return to container. This will cause CONTAMINATION of the entire container. Dispose of it properly.

  • If glassware is broken at your lab station, please CALL YOUR TEACHER. DO NOT ATTEMPT TO CLEAN IT UP YOURSELF!