The history of rotary evaporation dates back to 1950.
Lyman C. Craig, an American chemical researcher, invented the rotary evaporation system.
This invention was a significant innovation that revolutionized the chemical and pharmaceutical industries.
The first commercial rotary evaporator system was developed by a Swiss company and introduced in 1957.
Walter Büchi later developed the world's first commercial rotary evaporator.
This development simplified work in research laboratories by separating substances with different boiling points.
Since its invention, the rotary evaporation technique has continuously evolved.
It has expanded its applications beyond the boundaries of chemistry and pharma.
Chemists have been able to regulate the power of the vacuum.
They can adjust the bath temperature and control the evaporation rate.
This helps to avoid or reduce the risk of bumping, which is occasionally associated with foaming.
This technique has proven to be advantageous in various areas.
These areas include organic synthesis, extraction of natural compounds, concentration of solutions, and even "molecular cooking."
Rotary evaporators are still widely used in modern chemistry laboratories.
The 1L bench-top unit is the most common form in research.
Large-scale versions, ranging from 20L to 50L, are utilized in pilot plants for commercial chemical operations.
The versatility of rotary evaporators is due to the broad range of condensers available.
They are used for fast distillation of mixed solvents, efficient drying of samples, quicker freeze-drying sample preparation, chemical synthesis under reflux, extraction of natural compounds, and concentration.
The rotary evaporation technique has found applications not only in research laboratories but also in industries such as chemical, pharmaceutical, petrochemical, and food.
Overall, Lyman C. Craig's invention of the rotary evaporation system in 1950 has had a lasting impact on the scientific community.
It continues to be an essential tool for scientists worldwide.
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