Lab EquipmentLab Equipment

1. Beaker Tongs1. Beaker Tongs

Beaker tongs are Beaker tongs are used to move used to move beakers beakers containing hot containing hot liquidsliquids

2. Test Tube Holder2. Test Tube Holder

A test tube holder A test tube holder is useful for is useful for holding a test holding a test tube which is too tube which is too hot to handle.hot to handle.

3. Test Tubes3. Test Tubes13 x 100 mm test 13 x 100 mm test tubestubes

10 x 75 mm test 10 x 75 mm test tubestubes

Test tubes are widely used by chemists to hold, mix, or heat small quantities of solid or liquid chemicals.

4. Mortar and Pestle4. Mortar and Pestle

A mortar and pestle A mortar and pestle is used for crushing is used for crushing or grinding solids.or grinding solids.

5. Medicine Dropper5. Medicine Dropper

A medicine dropper A medicine dropper is used to transfer is used to transfer a small volume of a small volume of liquid (less than liquid (less than one mL).one mL).

On top of each medicine dropper is a On top of each medicine dropper is a ““rubber bulbrubber bulb””

6. Beaker6. Beaker

Beakers hold solids Beakers hold solids or liquids that will or liquids that will not release gases not release gases when reacted or are when reacted or are unlikely to splatter unlikely to splatter if stirred or heated.if stirred or heated.

7. Spot Plates7. Spot Plates

Spot plates are used Spot plates are used when we want to when we want to perform many small perform many small scale reactions at one scale reactions at one time. time.

8. Scoopulas8. Scoopulas

Scoopulas are used to Scoopulas are used to dispense solid dispense solid chemicals from their chemicals from their containers.containers.

Chemicals should Chemicals should never be transferred never be transferred with your bare handswith your bare hands

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9. Evaporating Dish9. Evaporating Dish

The evaporating dish The evaporating dish is used for the heating is used for the heating of stable solid of stable solid compounds and compounds and elements.elements.

10. Wire Gauze10. Wire Gauze

Wire gauze sits on the Wire gauze sits on the ring clamp to provide a ring clamp to provide a place to stand a beaker.place to stand a beaker.

On older wire gauze, the On older wire gauze, the white material is white material is asbestos! asbestos!

11. Graduated Cylinder11. Graduated Cylinder

A graduated A graduated cylinder is used cylinder is used to measure to measure volumes of volumes of liquids.liquids.

12. Ring clamps12. Ring clamps

Ring clamps connect Ring clamps connect to a retort stand and to a retort stand and provide a stable, provide a stable, elevated platform for elevated platform for the reaction.the reaction.

13. Watch Glass13. Watch Glass

A watch glass is A watch glass is used to hold a small used to hold a small amount of solid, amount of solid, such as the product such as the product of a reaction.of a reaction.

14. Rubber Stoppers14. Rubber Stoppers

Rubber stoppers are Rubber stoppers are used to close used to close containers to avoid containers to avoid spillage or spillage or contamination.contamination.

Containers should Containers should never be heated when never be heated when there is a stopper in there is a stopper in place.place.

15. Test Tube Brushes15. Test Tube Brushes

Test tube brushes Test tube brushes are used to clean are used to clean test tubes and test tubes and graduated cylinders.graduated cylinders.

Forcing a large brush Forcing a large brush into a small test tube into a small test tube will often break the will often break the tube.tube.

16. Tweezers/Forceps16. Tweezers/Forceps

Forceps (or tweezers) are used to pick up Forceps (or tweezers) are used to pick up small objects.small objects.

17. Test Tube Racks17. Test Tube Racks

Test tube racks are for holding and Test tube racks are for holding and organizing test tubes on the laboratory organizing test tubes on the laboratory counter. Plastic racks may melt in contact counter. Plastic racks may melt in contact with very hot test tubes.with very hot test tubes.

18. Erlenmeyer 18. Erlenmeyer FlaskFlask

Erlenmeyer flasks Erlenmeyer flasks hold solids or liquids hold solids or liquids that may release that may release gases during a gases during a reaction or that are reaction or that are likely to splatter if likely to splatter if stirred or heated.stirred or heated.

19. Funnel19. Funnel

A funnel is A funnel is used to aid in used to aid in the transfer of the transfer of liquid from one liquid from one vessel to vessel to another.another.

20. Retort stands20. Retort stands

Retort stands are a safe Retort stands are a safe and convenient way to and convenient way to perform reactions that perform reactions that require heating using a require heating using a Bunsen burner.Bunsen burner.

21. Bunsen burner21. Bunsen burner

Bunsen burners are Bunsen burners are used for the heating used for the heating of nonvolatile liquids of nonvolatile liquids and solids.and solids.

22. Florence 22. Florence FlaskFlask

Rarely used in first Rarely used in first year chemistry, it is year chemistry, it is used for the mixing used for the mixing of chemicals. Narrow of chemicals. Narrow neck prevents splash neck prevents splash exposure.exposure.

23. Stirring rod23. Stirring rod

A stirring rod is used A stirring rod is used to manually stir to manually stir solutions. It can also solutions. It can also be used to transfer a be used to transfer a single drop of a single drop of a solution.solution.

24. Flint Lighters24. Flint Lighters

Flint lighters are Flint lighters are used to light Bunsen used to light Bunsen burners.burners.

The flints on lighters The flints on lighters are expensive. Do not are expensive. Do not operate the lighter operate the lighter repeatedly just to see repeatedly just to see the sparks!the sparks!

25. Utility Clamps25. Utility Clamps

Utility clamps are used Utility clamps are used to secure test tubes, to secure test tubes, distillation columns, distillation columns, and burets to the and burets to the retort stand.retort stand.