3 1 lab tools

12,455 views

Published on

Published in: Education, Technology, Business

3 1 lab tools

  1. 1. Florence Flask• A Florence flask (also known as a boiling flask) to hold liquids.• A Florence flask has a round bottom with a single long neck• It is designed for uniform heating and ease of swirling;• it is produced in a number of different glass thicknesses to stand different types of use.
  2. 2. Volumetric Flask
  3. 3. Volumetric Flask• A volumetric flask (measuring flask or graduated flask) is a piece of laboratory glassware, a type of laboratory flask, calibrated to contain a precise volume at a particular temperature. Volumetric flasks are used for precise dilutions and preparation of standard solutions. These flasks are usually pear-shaped, with a flat bottom, and made of glass or plastic.
  4. 4. Erlenmeyer
  5. 5. Erlenmeyer• An Erlenmeyer flask, also known as a conical flask, is a widely used type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck.] It is named after the German chemist Emil Erlenmeyer, who created it in 1861
  6. 6. Funnel
  7. 7. Funnel• is a pipe with a wide, often conical mouth and a narrow stem.• It is used to channel liquid or fine- grained substances into containers with a small opening. • Without a funnel, spillage would occur.
  8. 8. Graduated Cylinder
  9. 9. Graduated Cylinder• A graduated cylinder, measuring cylinder or mixing cylinder is a piece of laboratory equipment used to accurately measure the volume of a liquid.
  10. 10. burette
  11. 11. Base burette• Base burettes are used for base titrants. Basically this is used in titrations where the analyte is an acid.
  12. 12. Acid buret• A burette, or buret, is a uniform-bore glass tube with fine gradations and a stopcock at the bottom, used especially in laboratory procedures for accurate fluid dispensing and measurement.
  13. 13. Test Tube
  14. 14. Test Tube• A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glass ware consisting of a finger-like length of glass or clear plastic tubing, open at the top, usually with a rounded U-shaped bottom.
  15. 15. Test Tube Rack
  16. 16. Watch Glass
  17. 17. Watch Glass• A watch glass is a circular, slightly convex- concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, or as a cover for a beaker.
  18. 18. Test Tube Rack• The main reasons are safety, convenience and ease of handling. • If you have test tubes with toxic or corrosive or flammable chemicals in, they need to be stood up. • Test tubes will not stand up by themselves. A test tube rack is a convenient way of keeping a number of test tubes together especially if you are doing one large experiment.
  19. 19. Spatula
  20. 20. Spatula• The term spatula is used to refer to various small implements with a broad, flat, flexible blade used to mix, spread and lift materials including foods, drugs, plaster and paints..
  21. 21. Crucible and Cover
  22. 22. Crucible and Cover• A crucible is a container that can withstand very high temperatures and is used for metal, glass, and pigment production as well as a number of modern laboratory processes.
  23. 23. Alcohol Lamp
  24. 24. Alcohol Lamp• It heat ups specimen and with the use of the wire gauze it heats the entire beaker or test tube
  25. 25. Evaporating Dish
  26. 26. Evaporating Dish• is a piece of laboratory glassware used for the evaporation of solids and supernatant fluids[note 1], and sometimes to their melting point. Evaporating dishes are used to evaporate excess solvents, most commonly water - to produce a concentrated solution or a solid precipitate of the dissolved substance.
  27. 27. Mortal and Pestle
  28. 28. Mortar and Pestle• is a tool used to crush, grind, and mix solid substances/ • The pestle is a heavy club-shaped object, the end of which is used for crushing and grinding. • The mortar is a bowl, typically made of hard wood, ceramic or stone
  29. 29. Dropper
  30. 30. Dropper• It is a device that can measure out one drop of water somewhat accurately
  31. 31. Stirring Rod
  32. 32. Stirring Rod• A stirring rod or stir rod is a piece of laboratory equipment used to mix chemicals and liquids for laboratory purposes. They are usually made of solid glass, about the thickness and slightly longer than a drinking straw, with rounded ends. Like most laboratory glass, stir rods are made of borosilicate
  33. 33. Thermometer
  34. 34. Thermometer • A thermometer (from the Greek θερμός, thermos, meaning "hot" and μἐτρον, metron, "measure") is a device that measures temperature or temperature gradient using a variety of different principles.[1] A thermometer has two important elements: the temperaturesensor (e.g. the bulb on a mercury thermometer) in which some physical change occurs with temperature, plus some means of convertingthis physical change into a numerical value (e.g. the scale on a mercury thermometer).
  35. 35. Wash Bottle
  36. 36. Wash Bottle• A wash bottle is a squeeze bottle with a nozzle, used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks.• Wash bottles are sealed with a screw-top lid. When hand pressure is applied to the bottle, the liquid inside becomes pressurized and is forced out of the nozzle into a narrow stream of liquid
  37. 37. Iron Stand
  38. 38. Iron Stand• It is a laboratory equipment used to hold or support beakers during experiments.
  39. 39. Iron Ring
  40. 40. Iron Ring• is used in Bunsen burner and it is adjustable
  41. 41. Iron Clamp
  42. 42. Iron Clamp• is a piece of laboratory equipment used to hold things and is placed in an iron stand to elevate other equipment.

×