Using FlexStream™ + Flex GF™ gas standards generator and Series 57 Gas Permeation Tubes, trace concentration mixtures of C1-C3 hydrocarbons can be prepared. Dynamically mixed concentrations from less than 10 ppb to over 1,000 ppm are available with single dilution for pure compounds. Series 57 tubes use controlled pressure of analyte vapor as permeate source to control extremely low flows of very high pressure gases for blending very low concentration mixtures in single step.
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