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JULIE SUNGA LAZARTE
What is a laboratory
apparatus ?
Equipment for scientific
research and experiments.
Examples of Laboratory a
Apparatus and its uses
Beakers are useful
as a reaction
container or to
hold liquid or
Solid samples. They
are also used to
catch liquids from
titrations
and filtrates from
filtering operations.
Bunsen Burners are
sources of heat.
Burets are for
addition of a
precise volume
of liquid. The
volume
of liquid added
can be
determined to
the nearest 0.01
mL with
practice.
Clay Triangles
are placed on a
ring attached to
a ring stand as a
support for a
funnel, crucible,
or evaporating
dish.
Droppers
are for
addition
of liquids
drop by
drop
Glass Funnels are
for funneling
liquids from one
container
to another or for
filtering when
equipped with
filter paper.
Erlenmeyer
Flasks are useful
to contain
reactions or to
hold liquid
samples. They
are also useful to
catch filtrates.
Graduated
Cylinders are for
measurement of an
amount of
liquid. The volume of
liquid can be
estimated to the
nearest
0.1 mL with practice.
Hot Plates can
also be used
as sources of
heat when an
open flame is
not desirable.
Pipets are
used to
dispense
small
quantities
of liquids.
Ring stand
with Rings
are for
holding
pieces of
glassware in
place.
Test Tubes
are for
holding
small
samples or
for
containing
reactions
Test tube
holders are for
holding test
tubes when
tubes
should not be
touched
Tongs are
similar in
function to
forceps but
are useful for
larger items.
Volumetric
Flasks are used
to measure
precise
volumes
of liquid or to
make precise
dilutions.
Wash bottles
are used for
dispensing
small
quantities
ofdistilled
water.
Watch glasses
are for holding
small samples
or for
covering
beakers or
evaporating
dishes.
Wire Gauze
on a ring
supports
beakers to
be heated
by
Bunsen
burners
Microscope is an
optical instrument
that uses a lens or
a combination of
lenses to produce
magnified images
of small objects,
especially of
objects too small
to be seen by the
unaided eye
LABORATORY
EQUIPMENT
Balances
are used to
determine
the mass of
a reagent
or object.
Spectrophoto
meters are
used to
measure the
absorbance or
transmittance
of a liquid
sample.
Fume Hoods
are used to
ventilate
noxious or
harmful gases.
Safety Measures
Inside the
Laboratory
 Keep bags away from burners
 Never eat, drink, or smoke while working in the
laboratory.
 Tie back long hair
 Read labels carefully.
 Disposal - Students are responsible for the
proper disposal of used material if any in
appropriate containers.
 Turn off gas when not in use
 Wear gloves when using any hazardous or
toxic agent.
 Wear safety glasses/goggles
 Store chemicals on shelves with labels
 Clean up your work area before leaving.
O Do not engage in practical jokes or boisterous conduct in the laboratory.
O Never run in the laboratory.
O The use of personal audio or video equipment is prohibited in the
laboratory.
O The performance of unauthorized experiments is strictly forbidden.
O Never work in the laboratory without the supervision of an instructor.
O Always perform the experiments or work precisely as directed by your
instructor.
O Immediately report any spills, accidents, or injuries to your instructor.
O Never leave experiments while in progress.
O Make sure no flammable solvents are in the surrounding area when
lighting a flame.
O Do not leave lit Bunsen burners unattended.
O Turn off all heating apparatus, gas valves, and water faucets when not in
use.
REFERENCES:
http://www.carolina.com/teacher-
resources/Document/lab-safety-instructions/tr11076.tr
https://prezi.com/wf0szcqfn-zw/10-safety-
precautionary-measures-inside-the-laboratory/
http://www.answers.com/Q/What_are_the_uses_of_mi
croscopes
http://chemlab.truman.edu/CHEM100Labs/Common%
20apparatus%20and%20procedures.pdf
THANK YOU

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Laboratory apparatus and safety measures