CHEMICAL CHEMICAL LABORATORYLABORATORY

Jan MichalíčekJitka Herzogová

Faculty of ChemistryBrno University of Technology

2005

What‘s a chemical laboratory?What‘s a chemical laboratory?

• a place for special researchesa place for special researches• different kinds of laboratories different kinds of laboratories

(analytical, physicochemical, organic, inorganic, etc.)(analytical, physicochemical, organic, inorganic, etc.)• necessary equipmentnecessary equipment• safety instructions must be kept theresafety instructions must be kept there

Alchemist laboratory - basic equipmentAlchemist laboratory - basic equipment

- crystallising dish

- filtering vessel

- glass funnel

- vessel for separating oils lighter than water

- metal shears

- vessel for separating oils heavier than water

- casting mould

vessel [vesәl] nádobashears [šiәz] velké nůžky, kleštěcasting mould [ka:stiŋ mәuld] licí formafunnel [fanl] nálevka

- troughs for gold-washing

- iron pots for strong acids

- casting ladles

- crucibles

Alchemist laboratory - basic equipmentAlchemist laboratory - basic equipment

casting ladle [ka:stiŋ leidl] slévačská pánevcrucible [kru:sibl] kelímektrough [trof] žlábek, korýtka

Elements: I. Oxygen 2. Hydrogen 3. Nitrogen 4. Carbon 5. Sulphur 6. Phosphorus 7. Gold 8. Platinum 9. Silver 10. Mercury11. Copper12. Iron13. Nickel14. Tin15. Lead16. Zinc17. Bismuth18. Antimony19. Arsenic

Alchemist laboratoryAlchemist laboratory

Compounds:37. Water43. Nitric acid44. Nitrogen peroxide45. Nitrous acid47. Carbon dioxide50. Sulphuric acid53. Ammonia54. Ethylene55. Methane57. Compounds of sulphur and hydrogen

Edward Kelly (1555–1597)

Dr. Dee

Images of alchemical apparatus of distillation

Alchemist laboratoryAlchemist laboratory

Modern laboratory - equipmentModern laboratory - equipment

• from porcelain, plastic and metal material:from porcelain, plastic and metal material: mortar and pestle, Buchner funnel, crucible, tong, spoonmortar and pestle, Buchner funnel, crucible, tong, spoon

• chemicalschemicals

• glassware: glassware: pipette,beakers,flasks,burets, funnels, watch glass, test tubepipette,beakers,flasks,burets, funnels, watch glass, test tube ……

buret [bjuə’ret ] byretaflask [fla:sk] baňkafunnel [fanl] nálevkapipette [pi’pet] pipeta

Modern laboratory - equipmentModern laboratory - equipment

• Sophisticated laboratory devices:Sophisticated laboratory devices:

NMR and massNMR and mass spectrometersspectrometers UV-VIS spectrophotometersUV-VIS spectrophotometers

chromatographschromatographs Analytical balanceAnalytical balance

What we have to do...What we have to do...

• to prepare for every laboratory sessionto prepare for every laboratory session• to work quickly but correctly to work quickly but correctly • to calculate and work up results of measurementsto calculate and work up results of measurements• our results write down a reportour results write down a report

……to get creditsto get credits

Do you conform to the safety rules?

• Wear safety clothes (shroud) and gloves if it’s Wear safety clothes (shroud) and gloves if it’s necesary!necesary!

• Use glasses or a security shield!Use glasses or a security shield!

• Respect all instructions!Respect all instructions!

or…

http://www.alchemy.cz/museum.htmhttp://www.levity.com/alchemy/songverd.htmll http://cs.wikipedia.org/wiki/Alchymie

Useful web pages