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Determination of trace hydrogen in industrial ethylene and propylene by gas chromatography (2)

 Last Update: 2022-01-18
 Source: Internet
 Author: User

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5 Instruments

Equipped with a gas chromatograph equipped with a gas sampling valve (loop volume 1mL～3mL), a backflush system and a thermal conductivity detector (TCD).

The recommended chromatographic columns and typical operating conditions are shown in Table 1.

Figure 1 Connection diagram of ten-port valve in backflushing and sampling state

Table 1 Recommended chromatographic columns and typical operating conditions

Figure 4 Typical chromatogram of the standard sample on the PLOT/Q capillary column

Integrator or chromatography workstation

Related Links: Determination of Trace Hydrogen in Industrial Ethylene and Propylene Gas Chromatography (1)

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