Chemistry Lab Equipments
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Created by:
whiteanime004 on August 12, 2008
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44 terms
Terms | Definitions |
|---|---|
 beaker | glass or plastic; common sizes are 50mL,100mL,250mL,400mL;may be heated and used as container |
| buret | glass; common sizes are 25 and 50 mL; used to measure volumes of solutions in titrations |
| ceramic square | used under hot apparatus or glassware |
| clamp | may be fastened to support apparatus. |
| Types of clamps | 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 the 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 100mL, 250mL; may be heated; used in titrations. |
| evaporating dish | porcelain; used to contain small volumes of liquid being evaporated. |
| florence flask | glass; common sizes are 125mL, 250mL,500mL; 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 holds 12.5cm diameter filter paper |
| Gas burner (Bunsen burner) | constructed of metal; connected in a gas supply with rubber tubing; used to heat chemicals[dry or in solutions] in beakers, test tubes and crucibles. |
| Gas collecting tube | glass; marked mL in intervals; used to measure gas volumes. |
| Glass rod with nichrome wire | used in flame tests |
| Graduated cylinder | glass or plastic; common sizes are 10mL, 50mL, 100mL; 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 powder. |
| Pipet Bulb | rubber; used in filling 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 triple beam balance. |
| pneumatic trough | galavanized container with shelf; used in experiments where gas is collected. |
| ring stand | metal rod fixed upright in heavy metal base; has many uses as support |
| rubber stoppers | has many several sizes |
| rubber tubing | used to connect apparatus to transfer liquid or gases. |
| safety goggles | plastic; must be worn all times while working in the laboratory. |
| screw clamp (pinch clamp) | metal; used to block off rubber tubing. |
| spatula | metal or porcelain; used to transfer solid chemicals |
| scoopula | metal or porcelain; used to transfer solid chemicals, has a larger capacity compared to spatula. |
| 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 tube | glass; common sizes small(13 mm x 100 mm), medium(20mm x 150mm), large(25x200mm); may be heated. |
| thermometer | mercury in glass; common range -10 degrees celcius to 110 degrees celcius. |
| 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 the burner. |
| volumetric pipet | glass; common sizes are 10mL, 25mL; used to measure solution volumes accurately; must not be heated. |
| watch glass | glass; used to cover evaporating dish or beaker. |
| wide-mouth bottle | glass; used with pneumatic trough. |
| wire gauze | used to spread heat of a burner flame. |
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