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Laboratory Equipment Pictures and Descriptions of Chemistry Equipment Used in the Laboratory
Beaker Glass or plastic Common sizes are 50 mL, 100 mL, 250 mL, 400 mL, 600 mL Glass beakers can be heated, plastic cannot Beakers are only used for measuring approximate volumes
Beaker Tongs Metal with plastic covering Used to pick up hot beakers Should not be held over a flame or the plastic will melt
Bunsen Burner Constructed of metal Connected to a gas supply with rubber tubing Used to heat chemicals in beakers, test tubes, and crucibles
Clay Triangle Wire frame with porcelain supports It can be used to support a crucible if it is placed on a iron ring
Crucible & Cover Porcelain Used to heat small amounts of solid substances at high temperatures
Crucible Tongs Iron or Nickel Used to pick up and hold small items (such as crucibles and their lids)
Dropper Pipet Glass tip with rubber bulb Used to transfer small volumes of liquid
Electronic Balance Used for measuring the mass of chemicals and objects less than 400 grams Chemicals and hot glassware should never be placed directly on the balance
Erlenmeyer Flask Glass Common sizes are 50 mL, 125 mL and 250 mL May be heated Can be used as a reaction vessel such as in a titration
Evaporating Dish Porcelain Used to contain small volumes of liquid being evaporated
Flint Striker Metal with magnesium flint Used to light a Bunsen burner
Forceps Metal Used to hold or pick up small objects
Four Beam Balance Used for measuring the mass of chemicals and small objects Usually a four beam balance can more accurately find masses than a three beam (platform) balance
Funnel Glass or plastic Common size holds 12.5 cm diameter filter paper Can be used for separating mixtures
Graduated Cylinder Glass or plastic Common sizes are 10 mL, 50 mL, and 100 mL Used to measure the volume of a liquid Must not be heated and reactions should not be done in the graduated cylinder
Grease or Wax Pencil Wax marking pencil Used to write on glassware
Mortar and Pestle Porcelain May be used to grind crystals and lumpy chemicals to a powder
Nichrome Wire Glass or metal rod with a nichrome wire attached Used for conducting flame tests
Petri Dish & Cover Glass top and bottom Used for examining specimens
Platform Balance Sometimes also referred to as a triple beam balance Used for measuring the mass of chemicals and small objects
Policeman Plastic Used to remove precipitates from glassware
Ring Clamp Metal Can be attached to a ring stand to support beakers or other glassware
Ring Stand Metal rod fixed upright in a heavy metal base Has many uses as a support
Safety Goggles Plastic Must be worn at all times while working in the laboratory
Scoopula or Microspatula Metal Used to transfer solid chemicals The scoopula has a larger capacity
Stirring Rod Glass rod Used to stir and assist in pouring liquids
Test Tubes Glass Common sizes : small (13 mm x 100 mm) medium (20 mm x 150 mm) large (25 mm x 200 mm) May be heated Should not be used if chipped or cracked
Test Tube Brush Bristles with wire handle Used to scrub small diameter glassware (like test tubes)
Test Tube Clamp Metal Can be attached to a ring stand to hold small diameter glassware
Test Tube Holder Spring metal Used to hold test tubes or glass tubing
Test Tube Rack Wood or plastic Holds test tubes in a vertical position
Triangular File Metal Used to scratch glass tubing prior to breaking to desired length
Wash Bottle Flexible plastic Should only be filled with distilled water Used to rinse chemicals from glassware
Watch Glass Glass Used to cover an evaporating dish or beaker
Wire Gauze Metal with asbestos center Used to spread the heat of a Bunsen burner
Utility Tongs Metal Used for picking up hot objects
Electronic Balance Use: to mass less than 200 grams of a substance Important: Easily broken by placing too much mass on the pan.
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