Tour of Lab Equipment
Beaker
烧杯
Erlenmeyer Flask
锥形瓶
Graduated Cylinder
量筒
Used to mix solutes
with solvent.
Beaker
Can be used to heat a
solution to dissolve
solutes into a
solution.
Unsuitable to
measure volume with
(+/-5%) accuracy
Note the size capacity (250 mL
in this case)
Erlenmeyer Flask/Conical Flask
Used for
making/preparing
solutions.
Note the size
Graduated Cylinder
/Measuring cylinder
Used to measure
volumes of liquids
Can not be used to
measure exact
amount of solution.
Buret
滴定管
Pipet Volumetric Flask
移液管
容量瓶
Buret 滴定管
Used for precisely（精确） measuring liquids
Pipet
A graduated
pipet measures
and delivers
exact volumes
of liquids –
uses a rubber
bulb for suction.
Dropper Pipet(滴管)
Used to transfer
a small volume
of liquid, usually
one drop at a
time.
Volumetric Flask
• Used to prepare
precise(精确) standard
solutions.
• They are only good for
1 specific volume.
• Comes in different size
（规格）
Boris
Test Tubes(试管)
– commonly used for .......
come in 2 sizes: 18 x 150 mm
Ignition
Tube
(25 x 200
mm)
13 x 100 mm
Test tubes are used to mix chemicals,
and also to heat chemicals.
Test Tube Holder 试管夹）
Used for
carrying or
holding hot test
tubes.
Test Tube Racks(试管架)
Test tube racks are for holding（放置） and
organizing（组织） test tubes on the
laboratory counter, and are found in the
wall cabinets.
Stirring Rod（玻璃棒）
For stirring
solutions.
Stir with this end.
Used to hold a
small amount of
solid, such as the
product of a
reaction.
Can also be used
as a cover for an
evaporating dish
（蒸发皿） or
beaker.
Watch Glass
表面皿
Funnel（漏斗）
Used to mediate
pouring liquid
from one
container（容器）
into another.
It can also be
used as a
support for filter
paper（滤纸）.
King
Bunsen burner
本生灯
Used as a source of heat and fire.
Wire Gauze
石棉网
Provide a place to
stand a beaker.
Lighter/ strikers
used to light lab
burners.
Evaporating Dish
蒸发皿
Used for heating
AND evaporating
蒸发
Crucible and cover
坩埚和盖子
Used for heating
certain solids,
particularly（特别
是） metals（金
属）, to very high
temperatures.
Clay Triangle
泥三角
Used as a support
for crucibles when
being heated over
a lab burner.
Crucible Tongs
坩埚钳
For handling hot
crucibles; also used
to pick up other hot
objects - NOT to be
used for picking up
beakers!
Beaker Tongs
Boris
Ringstands铁架台
To perform(完成)
reactions(反应) that
require(需要) heating.
Ring Clamp（环形夹子）
Ring clamps connect
to a ringstand, and
provide（提供） a
stable（稳定的）,
elevated（高的）
platform（平台） for a
beaker to be heated.
Test tube Clamps试管夹
Used to secure(保护)
test tubes.
Mortar and Pestle
研钵及研杵(chu3)
• Used to grind（研磨）
substances into
powder（粉末） or
slurry（泥浆）.
Wash Bottle（洗瓶）
Distilled
Water
Balance天平
Digital Balance
Triple Beam
Balance
三杆式天平
Double Pan
Balance
Weighing Boat
秤盘
Weighing boats are used to weigh solids
that will be transferred to another vessel.
We will also use squares of paper for this
purpose – throw them away after using.
Never put chemicals directly on the
balance scale – it leaves residue and can
harm the balance