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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 - PowerPoint PPT Presentation
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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