laboratory equipment and their functions
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Transcript laboratory equipment and their functions
LABORATORY and SAFETY
EQUIPMENT AND THEIR
FUNCTIONS
Goggles
Most important
piece of lab
equipment
Protects eyes
from broken
glass, chemicals,
and flames.
Lab Aprons
Protects clothes
from chemicals
Eye Wash
Rinse eyes for 1520 min. if exposed
to chemicals
Fire Blanket
Wrap around a
person whose
clothes or hair
have caught on fire
(then they should
drop and roll)
Shower
If a chemical is
spilled over a large
part of the body
(all over clothes or
legs)
Beaker
May be heated
Used to hold or
mix chemicals
Stirring Rod
Glass
rod used
for stirring
BE CAREFUL!
They break
easily
Erlenmeyer Flask
May be heated
Used for mixing
chemicals
Graduated Cylinder
Measures
volumes of
liquids
Test Tube
May
be heated
Holding small
amounts of
chemicals
For small
reactions
Wire Gauze
Spreads out the
heat produced
by a Bunsen
burner
Can place a
beaker on top
Test Tube Holder
DUHHHHH
It holds a test tube
Test Tube Rack
Holds test tubes
in a vertical
position.
Allows for clear
sight.
Drying rack
Ring Stand
Multi-purpose,
mostly used as a
support to heat
chemicals and hold
burets.
Funnel
Holds filter paper
for filtering
solutions.
Transferring liquids
to smaller narrow
necked containers.
Ring Clamp
One side clamps to
ring stand. Place
wire gauze on ring
and it will hold
beakers and flasks
for heating. Can
hold small beakers
or funnels.
Watch Glass
Used as a beaker
cover
Can be used to
place small
amounts of
chemicals on
(looks like a contact
lens)
Evaporating Dish
Holds small
volumes of
liquids being
evaporated.
Plastic Wash Bottle
Dispenses water for
rinsing equipment
Crucible and Lid
Holds small amounts
of chemicals for
heating at high
temperatures.
Clay Triangle
Supports a crucible
in a ring stand
apparatus.
Crucible Tongs
Pick
up and
hold small hot
items like a
crucible.
Forceps
Used to pick up
small items.
Bunsen Burner (&
Striker)
Controls release of
natural gas for
burning.
Tubing connects to
gas source.
Striker with flint is
used to ignite the
burner (or
matches).
Electronic Balance
Measures
mass in
grams
Rubber Stopper
Covers test tube
for mixing
Scoopula
Used to transfer
solids from one
container to
another
Test Tube Brush
Cleans out a test
tube
Thermometer
Takes temperature
(in Celsius)
Pipette
Used for measuring
very small volumes
of liquids