Lab Equipment Flashcards
glass or plastic; common sizes are 50 mL, 100 mL, 250 mL, 400 mL; glass ones may be heated
beaker
glass; common sizes are 25 mL and 50 mL; used to measure volumes of solutions in titrations
Buret
used under hot apparatus or glassware
ceramic square
may be fastened to support apparatus
clamp
what are the 5 types of clamps?
buret/test tube clamp, clamp holder, double buret clamp, ring clamp, 3 pronged jaw clamp
wire frame with porcelain supports; used to support a crucible
clay triangle
glass; used in distillation procedures
condenser
porcelain; used to heat small amounts of solid substances at high temperatures
crucible and cover
iron or nickel; used to pick up and hold small items
crucible tongs
glass tip with rubber bulb; used to transfer small volumes of liquid
dropper pipet
glass; common sizes are 100 mL, 250 mL; may be heated, used in titrations
Erlenmeyer flask
porcelain; used to contain small volumes of liquid being evaporated
evaporating dish
glass; common sizes are 125 mL, 250 mL, 500 mL; may be heated; used in making and for storing solutions
florence flask
metal; used to hold or pick up small objects
forceps
glass or plastic; common size holds 12.5 cm diameter filter paper
funnel
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 burner
glass; marked in mL intervals; used to measure gas volumes
gas collecting tube
used in flame tests
glass rod with nichrome wire
glass or plastic; common sizes are 10 mL, 50 mL, 100 mL; used to measure approximate volumes; must not be heated
graduated cylinder
glass; common sizes are 10 mL, 25 mL; used to measure solution volumes; less accurate than a volumetric pipet
graduated pipet
porcelain; may be used to grind crystals and lumpy chemicals to a powder
mortar and pestle
rubber; used in filling a pipet with a solution; never filled by mouth
pipet bulb
flexible plastic; squeeze sides to dispense water
plastic wash bottle
also known as a triple beam balance
platform balance
galvanized container with a shelf; used in experiments where a gas is collected
pneumatic trough
metal rod fixed upright in a heavy metal base; has many uses as a support
ringstand
several sizes to close equipment
rubber stoppers
used to connect apparatus so as to transfer liquids or gases
rubber tubing
plastic; must be worn at all times while working in the lab
safety goggles
metal; used to block off rubber tubing
screw clamp/pinch clamp
metal or porcelain; used to transfer solid chemicals
spatula, scoopula
glass with rubber sleeve; used to stir, assist in pouring liquids, and for removing precipitates from a container
stirring rod and rubber policeman
bristles with wire handle; used to scrub small diameter glassware
test tube brush
spring metal; used to hold test tubes or glass tubing
test tube holder
wood or plastic; holds test tubes in a vertical position
test tube rack
glassware used for mixing chemicals; may be heated
test tube
mercury in glass; common range -10C - 110C
thermometer
metal; used to scratch glass tubing prior to breaking to desire length
triangular file
iron; used to support containers of chemicals above the flame of a burner
tripod
glass; used to measure solution volumes accurately; must not be heated
volumetric pipet
glass; used to cover an evaporating dish or beaker
watch glass
glass; used with pneumatic trough
wide-mouth bottle
used to spread the heat of a burner flame
wire gauze
