CHEM0110-glassware-final

Overview of Chemistry Glassware and Hardware

• This section covers the essential glassware and hardware used in chemistry labs at Oklahoma City Community College.

Beakers

• Beaker VWR 250 mL

  • Catalog Number: 89000-204

  • Function: For holding, mixing, and heating liquids.

  • Characteristics: Typically has a spout for easy pouring.

Tongs

• Beaker Tongs

  • Purpose: Used to safely hold and transport hot beakers and other glassware.

Stirring Equipment

• Stirrer

  • Use: Used for mixing solutions thoroughly in beakers or flasks.

Flasks

• Erlenmeyer Flask

  • Capacity: 100 mL and 50 mL

  • Function: Designed for mixing and heating substances, the wide base allows for stable placement.

Crucibles and Tongs

• Crucible Tongs

  • Purpose: Used to handle hot crucibles and similar materials to prevent burns.

Filtering Equipment

• Filtering Flask (Suction or Side-arm Flask)

  • Use: Designed for vacuum filtration processes to separate solids from liquids.

Volumetric Flask

• Volumetric Flask

  • Function: Used for precise dilutions and preparation of standard solutions.

Graduated Cylinder

• Graduated Cylinder

  • Purpose: For measuring liquid volumes accurately.

Test Tubes

• Test Tube

  • Function: Used for holding, mixing, or heating small quantities of liquids.

• Test Tube Holder

  • Purpose: Helps to safely hold test tubes when performing experiments.

• Test Tube Rack

  • Use: For storing multiple test tubes upright.

• Test Tube Brush

  • Purpose: To clean the inside of test tubes.

Pipets

• Disposable Pipet (Pasteur)

  • Function: For transferring small amounts of liquids.

• Reusable Pipet Bulb

  • Use: To create suction for filling pipets.

• Volumetric Pipet

  • Purpose: For accurate volume measurement of liquids.

• Pipet

  • General function: Used for transferring liquids in precise amounts.

• Pipet Pump (Safety Pipet Filler)

  • Assembly: Pipet and pump assembly for safe liquid handling without mouth suction.

Support Equipment

• Ring Stand

  • Purpose: To hold or support various items in laboratory setups.

• Right Angle Clamp

  • Function: To hold glassware at a right angle on a ring stand.

• Thermometer Clamp

  • Use: To secure a thermometer in place during experiments.

• Thermometer

  • Purpose: For measuring temperature in experiments.

  • Assembly: Consists of a glass tube with mercury or alcohol.

Burets

• Buret

  • Function: For delivering measured volumes of a liquid reagent in titrations.

• Buret Clamp

  • Use: Holds the buret in place to prevent spills during experiments.

Measuring Devices

• Gas Measuring Tube

  • Function: For measuring the volume of gases.

Funnels

• Büchner Funnel

  • Use: For vacuum filtration; has a flat bottom and a larger diameter.

• Powder Funnel

  • Purpose: Specially designed for transferring powders without spilling.

• 60° Filtering Funnel

  • Characteristics: Angled design to aid in the filtration process.

• Three Types of Funnels

  • Overview: Includes 60° filtering funnel, powder funnel, and Büchner funnel.

Tools

• Spatulas or Scoopula

  • Purpose: Used to transfer solids or powders without contamination.

Washing Equipment

• Wash Bottle

  • Contains: Stilled water for rinsing glassware and equipment.

Safety Gear

• Goggles

  • Essential: Eye protection during lab activities.

Support Accessories

• Ring (Iron Ring)

  • Purpose: To support beakers or flasks on a stand.

• Wire Gauze

  • Function: Provides a stable platform for glassware on a heating source.

Clamps

• Two-finger Clamp

  • Use: To hold smaller glassware securely.

• Three-finger Clamp

  • Characteristics: For holding larger glassware items.

• Pinch Clamp

  • Purpose: To control flow in hose connections in experiments.

Equipment for Heat Sources

• Tirrill Burner (Burner)

  • Use: For heating substances generally with a Bunsen burner setup.

• Safety Striker (Striker)

  • Purpose: For igniting gas burners safely.