LABORATORY and SAFETY EQUIPMENT AND THEIR FUNCTIONS

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Presentation transcript:

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 15-20 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