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Article: Gas-Fed permeation tubes.(Consumables & Supplies: Product News)

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Laboratory Equipment
Article date:
October 1, 2009
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The Trace Source 57 Series of refillable permeation tubes extend the range of analyte compounds available to include high-pressure gases such as [O.sub.2], CO, C[O.sub.2], C[H.sub.4], [C.sub.2][H.sub.2] and more. The tubes are used in proprietary gas standards generators to blend ppm and ppb mixtures dynamically, directly from the pure gas. Typically permeation tubes contain liquified analyte compound and its vapor as the permeate source. ... <103:1 to>

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