Transcript laboratory equipment and their functions

LABORATORY EQUIPMENT
AND THEIR FUNCTIONS
Goggles
Most important
piece of lab
equipment)
 Protects eyes
from broken
glass, chemicals
and flames.

Beaker

Measures liquids
(but not very accurately)
May be heated
 Used to hold or
mix chemicals

Stirring Rod
 Glass
rod used
for stirring
 BE CAREFUL!
They break
easily
Erlenmeyer Flask

Measures liquids
(but not accurately)
May be heated
 Used for mixing
 Used in titrations

Graduated Cylinder
 Measures
volumes of
liquids
accurately
Test Tube
 May
be heated
 Mix chemicals
 Holding small
amounts of
chemicals
Wire Gauze

Spreads out the
heat produced
by a Bunsen
burner
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.
Test Tube or Utility
Clamp

Clamps to ring
stand on one side.
The other side
holds test tubes,
burets and flasks.
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
in place to prevent
spilling.
Watch Glass
Used as a beaker
cover
 Can be used to
place small
amounts of
chemicals on
(looks like a contact
lens)

Funnel


Holds filter paper
for filtering
solutions.
Transferring liquids
to smaller narrow
necked containers.
Evaporating Dish

Holds small
volumes of
liquids being
evaporated.
Mortar and Pestle
 Used
for
grinding
crystals
Plastic Wash Bottle

Dispenses water for
rinsing equipment
Clay Triangle

Supports a crucible
in a ring stand
apparatus.
Crucible and Lid

Holds small amounts
of chemicals for
heating at high
temperatures.
Forceps

Used to pick up
small items.
Crucible Tongs
 Pick
up and
hold small hot
items like a
crucible.
Bunsen Burner (&
Striker)



Controls release of
natural gas for
burning.
Surgical tubing
connects to gas
source.
Striker with flint is
used to ignite the
burner
Electronic Balance
 Measures
mass in
grams
Rubber Stopper

Covers test tube
for mixing
Scoopula

Used to transfer
solids from one
container to
another