Laboratory Apparatus
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Transcript of Laboratory Apparatus
![Page 1: Laboratory Apparatus](https://reader033.fdocuments.net/reader033/viewer/2022061107/544d18a2b1af9f42338b48cb/html5/thumbnails/1.jpg)
Laboratory Apparatus
Uses in the Field of Chemistry
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1. Separatory Funnel
Used for separating immiscible liquids with different densities. The denser liquid drips while the lighter stays on top.
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2. Drying Tube
Connected to a ground vessel that protects the specimen from moisture. Separates the released gas and the moisture in the air.
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3. Funnel (Glass)
Channels liquid to containers without spilling. Used for transferring liquids and powdered solids.
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4. Thistle Tube
Used to add liquid to mixtures. The long tube is used to provide insertions through stoppers.
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5. Test tube Holder
For Holding Test tubes. (what else…)
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6. Test tube brush
For cleaning test tubes and apparatus with similar shapes.
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7. Test tube
Holds small amounts of substances for observing, heating and sampling.
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8. Test tube rack
Holds test tubes that are set aside for observing and for long term sitting.
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9. Watch Glass
Used for covering beakers and containers with wide openings. Also used for evaporation and holding small amounts of substances for smapling.
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10. Burette / Buret
Used for dispensing reagents (acids or bases). It has mL measures to control the liquid that is being dispensed because measurements need to be exact.
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11. Stirring Rod
Used for stirring substances (liquids or powdered solids).
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12. Beaker
Used for heating, mixing and holding substances. Has a spout for ease of pouring liquids. Measures may not be exact.
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13. Thermometer
Measuring temperatures.
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14. Distilling Flask
For distilling purposes where the vapor is guided through its tube.
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15. Condenser
Used for cooling hot liquids and vapor. Vapor then would become liquid and will not mix in the air.
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16. Florence Flask
Used for holding liquids and for ease of swirling. The round bottom provides uniform heating of the liquid.
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17. Reagent Bottles
Used for storing chemicals. Dark glassed ones prevent sunlight that may cause chemical reactions.
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18. Iron stand
Used for supporting clamps and iron rings in heating activities and other work that needs leverage.
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19. Iron Clamp
Used to hold slender glass wares for heating activities or anything that needs leverage.
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20. Iron Ring
Used for heating activities either through direct heat or a wire gauze placed on it.
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21. Adaptor
Glasses or plastic that are used to connect flasks, containers, funnels and condensers.
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22. Erlenmeyer Flask
Used for containing and heating liquids. Narrowed opening for ease of swirling and prevents spilling and excessive vapor loss.
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23. Graduated Cylinder
Used for measuring liquids with better accuracy.
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24. Wire Gauze
Used with a tripod or iron ring for heating either to spread the heat or prevent the direct heat in the heated substance or vessel
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25. Tripod
Used to support the heating vessel. It is more fixed compared with the iron ring and iron stand. A wire gauze could also be used with it.
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26. Bunsen Burner
For heating and sterilization. The flame source is either natural gas (methane) or LPG. Flame could be adjusted from blue or orange flame.
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27. Spatula
For portioning liquid or powdered substances.
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28. Mortar and Pestle
Used for grinding solid substances making them in their fine powdered forms. Mortar is the vessel and the Pestle is the club for grinding.
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29. Evaporating Dish
Used for heating substances to remove excess solvents leaving the solute or dissolved precipitate.
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30. Crucible and Cover
Used for heating substances that requires high amounts of heat. Comes in various sizes.
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31. Crucible tongs
Used for holding crucible specially when it is hot.
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32. Clay triangle
Same purpose as the wire gauze but it is direct from the heat source. It holds the crucible, evaporating dish and beaker in heating activities.
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33. Forceps
Used for grasping, holding and transferring solid objects that could not be held by bare hands.
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34. Pneumatic Trough
Used for collecting gases in a vessel by cooling the vapor. It is filled with cool liquid then gases are condensed.