Simultaneous permeability measurements
The simultaneous measurement of permeabilities to carbon dioxide (CO2), nitrogen (N2) and oxygen (O2) is a crucial step in many scientific and industrial applications.
The Lyssy device, developed for this specific task, offers a sophisticated and precise solution for assessing the permeability of materials to these essential gases.
The Lyssy device is based on the gas diffusion method, also known as the mass diffusion method, which allows permeability rates to be measured as a function of time. This technique is based on Fick’s law, which states that the diffusion of a gas through a material is directly proportional to its permeability, the partial pressure of the gas and the thickness of the material.
The Lyssy device works by exposing the material under test to controlled conditions of pressure and gas concentration.
The significant advantage of the Lyssy device lies in its ability to perform simultaneous measurements of all three gases, thus providing a complete assessment of the material’s performance in terms of permeability. This is particularly valuable in areas such as food packaging, medical research and industrial applications where precise regulation of gas flows is crucial.
