Vapour In Air Diffusion Apparatus Set-Up Manufacturer,Supplier and Exporter in India
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Product Code : SCL-CLE-13443
Indian Lab Suppliers supplies the Vapour In Air Diffusion Apparatus Set-Up (Product ID: 13443) as part of its chemistry lab equipment range. It measures the diffusivity of a volatile liquid’s vapour in air from the rate at which the liquid evaporates out of a narrow vertical tube.
Quick Answer
A small amount of liquid sits in a narrow borosilicate glass tube while an air pump sends a stream of air across its top; as the vapour diffuses up the tube the liquid level falls, and that fall is read with a travelling microscope (0–150 mm, 0.1 mm resolution). The tube stands in an 8-litre stainless steel water bath with two glass sides, a nichrome heater and a stainless steel stirrer on an FHP motor, and an RTD PT-100 sensor reads the bath temperature. Plotting level against time gives the diffusion coefficient at that temperature.
Key Specifications
| Parameter | Detail |
|---|---|
| Diffusion tube | Borosilicate glass |
| Water bath | Stainless steel, two glass sides, 8 L |
| Heater | Nichrome wire |
| Stirrer | Stainless steel impeller and shaft, FHP motor |
| Air supply | Air pump |
| Travelling microscope | 0–150 mm, 0.1 mm resolution |
| Temperature sensor | RTD PT-100 |
Where This Is Used
It is used in mass transfer labs to find vapour diffusivity at several bath temperatures. See also the Solid In Air Diffusion Apparatus Set-up (Product ID: 13444). Volatile liquids such as acetone are flammable: use good ventilation and keep flames away from the bath. Browse the full Chemistry Lab Equipment (general) range or related Engineering Lab Equipment products.
Frequently Asked Questions
How is the liquid level measured?
With a travelling microscope of 0–150 mm range and 0.1 mm resolution.
How is temperature controlled?
By a heated, stirred 8 L water bath with an RTD PT-100 sensor.
How does air pass over the tube?
An air pump blows a stream across the top of the tube.
Related Categories
Chemistry Lab Equipment (general) · Engineering Lab Equipment · Chemistry Lab Equipment
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