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Permeation Tube Emits Compound at Constant Rate

Dynacal Permeation Tubes are small inert capsules containing a pure chemical compound in a two-phase equilibrium between its gas phase and its liquid or solid phase. At a constant temperature, the device emits the compound through its permeable portion at a constant rate. Accurate, stable concentrations range from ppb to high ppm. Permeation rate data is already established for hundreds of different compounds, and rates for new compounds can be easily certified using NIST-traceable standards.
VICI Metronics Inc.
26272 Twelve Trees
Poulsbo, WA, 98370