Lab Equipment Flashcards
1
Q
Beakers
A
- used to hold various chemicals
- sizes vary
- not for measuring precisely
2
Q
Graduated cylinder
A
- used to precisely measure the volume of liquids/run experiments
- Plastic ring always on top if applicable.
- Sizes vary.
- Read from the meniscus at eye level
3
Q
Erlenmyer Flash
A
- used to approximately measure the volumes of liquids
- useful for mixing by swirling
- sizes vary
4
Q
Florence Flask
A
- used to boil liquids
- also used to collect liquids, if applicable
- sizes vary
5
Q
Volumetric Flask
A
- used to prepare precise standard solutions
-They are only good for 1 specific volume.
- comes in many different sizes
6
Q
Reagent bottle
A
-Used to store, transport, or view reagents such as acids or bases.
7
Q
Rubber stoppers
A
-Used to close flasks and test tubes.
-The holes allow the insertion of glass tubing, probes, or thermometers as needed by the experiment.
8
Q
Test Tubes Rack
A
- Used to hold chemicals/tubes while experimenting.
- Not for measuring precisely.
9
Q
Test tubes
A
- Waft!
- Aim away from faces.
- Sizes vary.
- Label tubes.
10
Q
Distillation Flask
A
- Used to separate liquids based on boiling point.
11
Q
Buret & Buret Clamp
A
- Used for precisely measuring dispensed liquids
- Holds buret to ring stand.
12
Q
Ring Stand and Ring Clamps
A
- Base/Pole of set-up for experimenting.
- Holds glassware in place for heating or evaporating.
13
Q
Test Tube Brushes
A
- Cleaning.
-You must clean tubes before and after you use.
14
Q
Test Tube Holder
A
- Used for carrying or holding hot test tubes.
15
Q
Thermometer
A
-Measuring temperature.
-Use metric!!
- Ours don’t have mercury
16
Q
Hot plate
A
Used to heat substances
17
Q
Bunsen Burner
A
- Used to heat substances quickly or if > 400*C is needed.
-Do not use with flammable substances.
18
Q
Ruber tubing
A
Used for a variety of things.
- Connecting Bunsen burner to gas valve stem.
- Connecting glass tubing together.
19
Q
wire or mesh gauze
A
- Used to absorb and spread the heat of flame.
- Keeps glassware from cracking and breaking.
-Part of ring stand set-up.
20
Q
Clay Triangle
A
- 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.
21
Q
Crucible & Cover
A
- Used for heating substances.
- Can withstand high direct heat.
22
Q
Crucible Tongs
A
- used to carry crucibl
23
Q
Beaker Tongs
A
- used to carry beakers
24
Q
Mortar and Pestle
A
- Used to grind substances into powder or slurry
25
Scoopula
Used to scoop chemical powders
- not a measuring instrument
!! - ours does not have handles
26
Stirring rods
- used to stir substances
- clean inbetween uses
27
Striker
- Used to ignite gas from a bunsen burner
- do not waste flint
28
Watch Glass
- Used to show chemical reactions
29
Evaporating dish
- used to evaporate excess liquids
30
centrifruge
- used to seperate suspensions (solids from liquids)
31
Meter stick
- Used to precisely measure length.
1m = 10dm
1m = 100cm
1m = 1000mm
32
Funnel
- Used to safely transfer substances from one container to another.
33
Dropper & Bottle
- Used to measure out small amounts of liquids for experiments.
34
Wash Bottle
-Usually contains deionized water.
-Handy for rinsing glassware and for dispensing small amounts of dH2O for chemical reactions.
35
Goggle & Apron
- Used to protect your eyes and clothing from damage.
- These are a must in lab!!
36
Inoculating or Flame Loop
- Used to collect samples from colonies (ex. Bacteria)
- Also used to test the spectra of chemicals.
37
Digital Balance
- Used to accurately measure mass.
- Only up to 200g in our labs.
38
Triple Beam Balance
- Measures the mass of an object.
- Make certain the balance is calibrated correctly before use.
39
Double Pan Balance
- Used to compare the masses of two substances.
40
Centigram Balance
- Used to precisely measure the mass of a substance.
- More precise than the triple beam balance.
41
Pipet, Pump & Bulb
Used to precisely measure the volume of liquids in small amounts.
42
Berol Pipet
- Disposable pipets used to transfer small amounts of chemicals.
- Graduated pipets can precisely measure small amounts of chemicals.
43
Capillary Tubes
- Used to collect liquid through the process of capillary action.
