Lab Equipment

1
Lab Equipment

• Visuals, Spellings, and Uses
• The Right tool for the job!

2
Beakers

• Beakers are used for holding various chemicals.
• Not for measuring precisely.
• Sizes vary.

3
Graduated Cylinder

• Used to precisely measure the volume of liquids
  or run experiments.
• Read from the meniscus at eye level.
• Plastic ring always on top if applicable.
• Sizes vary.

4
Erlenmeyer Flask

• Used to approximately measure the volume various
  liquids.
• Useful for mixing by swirling
• Sizes vary.

5
Reagent Bottle

• Used to store, transport, or view reagents such
  as acids or bases.

6
Rubber Stoppers

• Used to close flasks and test tubes.
• The holes allow the insertion of glass tubing,
  probes, or thermometers as needed by the
  experiment.

7
Test Tubes and Rack

• Used to hold chemicals/tubes while experimenting.
• Not for measuring precisely.
• Waft!
• Aim away from faces.
• Sizes vary.
• Label tubes.

8
Buret and Buret Clamp

• Used for precisely measuring dispensed liquids
• Holds buret to ring stand.

Buret
Double buret clamp
Single buret clamp
9
Ring Stand and Ring Clamps

• Base/Pole of set-up for experimenting.
• Holds glassware in place for heating or
  evaporating.

10
Test Tube Brushes

• Cleaning.
• You must clean tubes before and after you use.

11
Test Tube Holder

• Used for carrying or holding hot test tubes.

12
Thermometer

• Measuring temperature.
• Use metric!!

13
Hot Plate

• Used to heat substances.

14
Bunsen Burner

• Used to heat substances quickly or if gt 400oC is
  needed.
• Do not use with flammable substances.

15
Rubber Tubing

• Used for a variety of things.
• Example
• Connecting Bunsen burner to gas valve stem.
• Connecting glass tubing together.

16
Wire Mesh or Gauze

• Used to absorb and spread the heat of flame.
• Keeps glassware from cracking and breaking.
• Part of ring stand set-up.

17
Clay Triangle

• Used to hold a crucible in place on a ring stand.
• Also helps absorb and spread heat of flame.
• Part of ring stand set-up.

18
Crucible and Cover

• Used for heating substances.
• Can withstand high direct heat.

19
Crucible Tongs

• Used to carry crucible.

20
Beaker Tongs

• Used to carry beakers.

21
Mortar and Pestle

• Used to grind substances into powder or slurry.

22
Scoopula

• Used to scoop chemical powders.
• Not a measuring instrument.
• Ours do not have handles.

23
Stirring Rods

• Used to stir substances.
• Clean in between uses.

24
Striker

• Used to ignite gas from a Bunsen burner.
• Do not waste flint.

25
Watch Glass

• Used to show chemical reactions.

26
Evaporating Dish

• Used to evaporate excess liquids.

27
Funnel

• Used to safely transfer substances from one
  container to another.

28
Dropper and Bottle

• Used to measure out small amounts of liquids for
  experiments.

29
Wash Bottle

• Usually contains deionized water.
• Handy for rinsing glassware and for dispensing
  small amounts of dH2O for chemical reactions.

30
Goggles and Apron

• Used to protect your eyes and clothing from
  damage.
• These are a must in lab!!

31
Digital Balance

• Used to accurately measure mass.
• Only up to 200g in our labs.

32
Triple Beam Balance

• Measures the mass of an object.
• Make certain the balance is calibrated correctly
  before use.

33
Centigram Balance

• Used to precisely measure the mass of a
  substance.
• More precise than the triple beam balance.

34
Berol Pipet

• Disposable pipets used to transfer small amounts
  of chemicals.
• Graduated pipets can precisely measure small
  amounts of chemicals.