Measurement techniques and units
Permeability measurements to control the preservation of packaged foods

Article REF: AG6531 V1

Measurement techniques and units
Permeability measurements to control the preservation of packaged foods

Author : Catherine Joly

Publication date: June 10, 2025 | Lire en français

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6. Measurement techniques and units

The equipment used to measure gas permeability is commercial or laboratory equipment based on two techniques:

gas scavenging, the most common ;
pressure rise.

6.1 Commercial gas scavengers

To this day, AMETEK, MOCON Division, remains the market leader for measuring OTR, WVTR and CO ₂ TR. These devices operate on upstream-downstream pressure difference $(Δ P)$ constant, imposed by dynamic purging of the downstream compartment, to drive the permeate to the specific...

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Bibliography

(1) - LI (P.), MEI (J.), XIE (J.) - The regulation of carbon dioxide on food microorganisms: A review. - Food Research International, 172, 113170 (2023).
(2) - DEVLIEGHERE (F.), DEBEVERE (J.), VAN IMPE (J.) - Concentration of carbon dioxide in the water-phase...

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