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The section of the still located between the pot and the head is known as the swan neck. This part of the still is crucial for transporting the vapors that are generated during distillation from the pot to the condenser where they will be cooled and turned back into liquid. The swan neck is designed to allow the vapors to flow smoothly upward while minimizing any reflux and ensuring that only the desired volatile compounds reach the condenser.
The swan neck is typically curved, which helps in the separation of different compounds based on their boiling points. This design plays an important role in the overall efficiency and purity of the distillate produced. Understanding the function and placement of the swan neck helps in recognizing its significance in the distillation process.
Other components mentioned have different functions: for instance, the column is related to continuous distillation, condensate refers to the liquid formed after vapor is cooled, and the distillation arm typically refers to the part that attaches to the condenser but does not specifically denote the section between the pot and head.