Evaluation of the permeability of formaldehyde and water through a permeation tube for the preparation of an accurate formaldehyde reference gas mixture - Analyst (RSC Publishing)
Permeation Tubes and Diffusion Tubes
INTERCHIM: Permeation Device
Refillable Permeation Tubes
Products - permeation tubes, calibrators — REAL SENSORS
Dynacal Permeation Tube – VICI Metronics
Tubes de perméation - Chemin de l'Etang 46, 1219 Vernier, Switzerland - LNI SWISSGAS
PDF] A compact, lightweight gas standards generator for permeation tubes | Semantic Scholar
Permeation Tubes – An Overview - KIN-TEK Analytical, Inc.