Chemistry Lab Items
Terms
undefined, object
copy deck
- Beaker
- glass or plastic: common sizes are 50 ml, 100 ml, 250 ml, 400 mlL glass beakers may be heated
- Buret
- glass: common sizes are 25 mL, and 50 mL: used to measure volumes od solutions in titrations
- Ceramic square
- used under hot apparatus or glassware
- Clamps
- the following types of clamps may be fastened to support apparatus: buret/test-tube clamp, clamp holder, double buret clamp, ring clamp, 3-pronged jaw clamp
- Clay triangle
- wire frame with porcelain supports, used to support a crucible
- Condenser
- glass: used in distillation procedures
- Crucible and cover
- porcelain, used to heat small amounts of solid
- Crucible tongs
- iron or nickel, used to pick up and hold small items
- Dropper pipet
- glass tip with rubber bulb, used to transfer small volumes of liquid
- Erlenmeyer flask
- glass, common sizes are 100 mL, 250 mL: may be heated , used in titrations
- Evaporating dish
- porcelain, used to conatin smallvolumes of liquid being evaporated
- Florence flask
- glass, common size are 125 mL, 250 mL, 500 mL, may be heated, used in making and for storing solutions
- Forceps
- metal, used to hold or pick up small objects
- Funnel
- glass or plastic, common size 12.5 cm diameter filter paper
- Gas burner
- constructed of metal; connected to a gas supply with rubber tubing; used to heat chemicals (dry or in solution) in beakers, test tubes, and crucibles
- Gas collecting tubes
- glass, marked in mL intervals; used to measure gas volumes
- Glass rod with nichrome wire
- used in flame tests
- Graduated cylinder
- glass or plastic, comon sizes are 10 mL, 50 mL, 100 mL, used to measure approximate volumes; must not be heated
- Graduated pipet
- glass, common sizes are 10 mL, 25 mL, used to measure solution volumes: less accurate than a volumetric pipet
- Mortar and pestle
- porcelain, may be used to grind crystals and lumpy chemicals to a powder
- Pipet bulb
- rubber, used in filling a pipet with a solution, a pipet must never be filled by mouth
- Plastic wash bottle
- flexible plastic, squeeze sides to dispense water
- Platform balance
- also known as a triple beam balance
- Pneumatic trough
- galvanized container with shelf, used in experimenting where a gas is collected
- Ringstand
- metal rod fixed upright in a heavy metal base; has many uses as a support
- Rubber stoppers
- several sizes
- Rubber tubing
- used to connect apparatus so as to transfer liquids or gases
- Safety goggles
- plastic; must be worn at all times while working in the laboratory
- Screw clamp, pinch clamp
- metal, used to block off rubber tubbing
- Spatula, scoopula
- metal or porcelain; used to transfer solid chemicals; the scoopula has a large capacity
- Stirring rod and rubber policeman
- glass with rubber sleeve; used to stir, assist in pouring liquids, and for removing precipitates from a container
- test tube brush
- bristles with wire handle, used to scrub 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
- 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
- Thermometer
- mercury in glass, common range -10C to 110 C
- Triangular file
- metal, used to scratch glass tubing prior to breaking to desired length
- Tripod
- iron, used to support conatiners of chemicals above the flame of a burner
- Volumetric pipet
- glass, common sizes are 10 mL, 25 mL, used to measure solution volumes accurately, must not be heated
- Watch glass
- glass, used to cover an evaporating dish or beaker
- Wide-mouth bottle
- glass, used with pneumatic trough
- Wire gauze
- used to spread the heat of a burner flame