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August 1, 2013

These permeation tubes blend high-pressure gases

The Trace Source 57 Series refillable, gas-fed permeation tubes are used for preparing trace mixtures containing atmospheric gases, light hydrocarbons, hydrides, acid gases and dilute multi-component mixtures. These permeation tubes can employ analyte compounds, such as high-pressure gases (O­­2, CO, CO2 and CH4) as the permeate source. Usage of controlled-pressure analyte vapor as the permeate source allows for permeation of low-boiling compounds. Mixtures at the parts-per-million and parts-per-billion levels can be directly blended from pure gases with these tubes. — Kin-Tek Laboratories, Inc., La Marque, Tex.

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