Chemistry Glassware

​Distillation Glassware Parts & Nomeclature

• There are many glassware pieces used in chemistry setups such as for distillation apparatuses.

• Let's go through them together..

​

Distillation Flask

• a vessel with a round bottom and a long neck from which a side arm protrudes

​

Condensers - condenses vapors by cooling them down into liquids

• ​When vapors condense, heat of vaporization energy is released.

• Condensers are designed to be a heat sink where the energy released is quickly absorbed

Receiving Flask:

• ​Various types of receiving flasks

• Most common type is a round bottom flask

​Quiz!

Multiple Choice

What is this called?

• Flask

• Distillation Flask

• Erlenmeyer Flask

• Round Bottom Flask

Multiple Choice

What part is this?

• Condenser

• Tubing

• Vaporizer

• Gas Vaporizer

Multiple Choice

What part is this?

• Condenser Flask

• Distillation Flask

• Receiving Flask

• Erlenmeyer Flask

Glassware Material

• Borosilicate glass

• Components are silica and boron trioxide

• High resistance to thermal shock & temperature changes of 300 °F

How Borosilicate Glass is made

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Happy teaching!

Understanding lab glassware

• Lab glassware fits through ground glass joints

• Consists of inner joint &

  outer joint

Ground Glass Joint Standard

• Ground glass joints follow a technical specification or standard.

• This helps scientists know what glassware to get and use.

• ​The main standard is a conically tapered joint

• Commonly labeled with the symbol, "Standard Taper"

• Format shown on glassware is as follows:

• For inner joint:

  TS outer diameter/joint length

• For outer joint:

  TS inner diameter/joint length

​Quiz

Multiple Choice

What does the following symbol stand for?

• Taper

• Dollar Sign

• Standard Taper

• Standard Glass

Multiple Choice

What does this glassware signify?

• Standard Taper, Inner Joint, 24 mm Outer Diameter, 40 mm Joint Length

• Standard Taper, Outer Joint, 24 mm Inner Diameter, 40 mm Joint Length

• Standard Taper, Outer Joint, 40 mm Inner Diameter, 24 mm Joint Length

• Standard Taper, Inner Joint, 40 mm Outer Diameter, 24 mm Joint Length

Multiple Choice

Last question, what does this glassware signify?

• Outer Joint: 19 mm Inner Diameter, 22 mm Joint Length

  Inner Joint: 14 mm Outer Diameter, 20 mm Joint Length

• Outer Joint: 22 mm Inner Diameter, 19 mm Joint Length

  Inner Joint: 14 mm Outer Diameter, 20 mm Joint Length

• Inner Joint: 19 mm Outer Diameter, 22 mm Joint Length

  Outer Joint: 14 mm Inner Diameter, 20 mm Joint Length