Honors Chemistry Lab Equipment

Beaker

glass or plastic; common sizes are 50 mL, 100 mL, 250 mL, 400 mL; glass beakers may be heated

Buret

glass; common sizes are 25mL and 50mL; used to measure volumes of 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 substances at high temperatures

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 contain small volumes of liquid being evaporated

Florence flask

glass; common sizes are 125 mL, 250 mL, 500 mL; may be heated; used in making and for storing solutions

Forceps

used to pick up or hold small items

Funnel

glass or plastic; common size holds 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 tube

glass; marked in mL intervals; used to measure gas volumes

glass rod with nichrome wire

used in flame tests

Graduated cylinder

glass or plastic; common sizes are 10 mL, 50 mL, 100 mL; used to measure approximate volumes; must not be heated

Graduated pipet

glass; common sizes are 10mL, 25mL; used to measure solution in 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 experiments where a gas is collected

Ring stand

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 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 tubing

Spatula, scoopula

metal or porcelain; used to transfer solid chemicals; the scoopula has a larger 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 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 -10 degress Celsius to 110 degrees Celsius

Triangular file

metal; used to scratch glass tubing prior to breaking to desired length

Tripod

iron; used to support containers 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