Lab Equipment Flashcards

General Overview

  • Fall 2024

  • Spelman College Department of Biochemistry & Chemistry

Importance of Lab Equipment

  • Laboratory equipment includes various tools and instruments essential for scientific experiments and research.

  • Significance:

    • Ensures accuracy and reliability of scientific data.

    • Allows for replication and verification of experiments by other scientists.

Essential Lab Equipment

  • Bunsen Burner

    • Used for heating substances and conducting flame tests.

  • Beaker

    • Various sizes:

      • 250 ml: mixing and heating.

      • 100 ml: holding liquids.

    • Commonly used for mixing and heating liquids.

  • Test Tube & Test Tube Rack

    • Used to hold and mix small amounts of liquids for experiments.

  • Graduated Cylinder

    • Provides accurate measurement of liquid volumes.

  • Hot Plate

    • Used for heating substances in the laboratory.

  • Spectrophotometer (Thermo GENESYS 30)

    • Measures absorbance and transmittance of light by a substance.

  • Analytical Balance

    • Designed for high accuracy and precision in measuring sample mass.

  • Volumetric Flask

    • Used for precise dilutions and preparation of standard solutions.

  • Funnel

    • Used with vacuum pumps or filter paper to separate solids from liquids in a mixture.

  • Crucible Tongs

    • Welded steel tool for handling hot crucibles, preventing inaccuracies in mass measurements due to moisture or oil.

  • Evaporating Dish

    • Used to separate liquids and solids by evaporation.

  • Ring Stand

    • Holds glassware in place during experiments.

  • Crucible and Cover

    • Contains chemical compounds for heating at high temperatures.

  • Stirring Rods

    • Used to stir or mix solutions.

  • Ring Clamp

    • Supports apparatus above the work surface; holds separatory funnels, wire gauze, and beakers during heating.

  • Wire Gauze

    • Used to diffuse heat and protect glassware from direct flame when heated.

  • Watch Glass

    • Serves as a surface for evaporating liquids, holding solids while weighing, or covering flasks/beakers.

  • Erlenmeyer Flask

    • Used for containing liquids and for various processes like mixing, heating, cooling, filtration, and storage.

  • Clay Triangle

    • Supports crucibles being heated.

  • Buret

    • Precisely measures and delivers solutions, essential for titration.

    • To fill: close stopcock at the bottom and use a funnel.

  • Double Buret Clamp

    • Holds two burettes, useful for titration procedures.

  • Scoop Spatula

    • Transfers solids, superior for larger quantities than regular spatulas.

  • Test Tube Tongs

    • Safely holds test tubes during heating.

  • Beaker Tongs

    • Handles beakers with hot liquids.

  • Pestle and Mortar

    • Used for grinding and crushing chemical components.

  • Rubber Stopper

    • Seals bottles, tubes, and containers.

  • Flint Striker

    • Produces spark to ignite a Bunsen burner.

  • Spot Plate

    • Allows testing of multiple samples simultaneously.

  • Test Tube Clamp

    • Securely holds test tubes for manipulation.

  • Electronic Balance

    • Accurate measurement of material weight.

  • Thermometer

    • Measures temperature accurately.

  • Pipette & Pipette Pump

    • For measuring or transferring liquids.

  • Test Tube Brush

    • Cleans test tubes and narrow glassware.

  • Cuvette

    • Holds samples for spectroscopic analysis.

  • Cuvette Holder

    • Stabilizes cuvette for measurements during analysis.

Conclusion

  • Understanding lab equipment is crucial for successful lab experiences.

  • Acknowledge the guidance of Dr. Hyppolite, Senior Lab Educator at Spelman College's Department of Biochemistry & Chemistry.