A Person in Lab Coat Setting Up or Checking a Reflux Reaction

About This Item

A person in lab coat probably setting up or checking a reflux reaction, which involves: Heating a chemical mixture to boiling and vapors rising into the condenser, cooling and dripping back down into the flask. This allows a reaction to occur over a long period without loss of solvent. There are some people in lab coats behind them.

Identifier
TP-ATA-1849
Context

The Apparatus includes (Top to Bottom)

 

  • Reflux Condenser:

    • The tall vertical tube at the top with side arms connected to rubber tubing (for water in/out).

    • Cools rising vapors back into liquid, sending them back down.

  • Distillation Adapter / Claisen Head (possibly):

    • The connecting piece between the condenser and the round-bottom flask.

  • Round-bottom Flask:

      • Holding the reaction mixture.

      • Heated from below, often on a hot plate (not visible here)

    This is a fundamental process in organic chemistry, used for:

    • Synthesis of compounds (e.g., esters, amides).

    • Purification or transformation of substances.

 

Credits: 

Some technical descriptions and historical interpretations were developed with the assistance of ChatGPT, an AI language model by OpenAI.

 

Geographic Coverage
San Francisco, CA
Type
Still Image
Format
Negative
Source
San Francisco State University Archives
Rights
Public
Views
256

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