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pumping H2 gas analyzer

pumping H2 gas analyzer

1971-12-1The pumping speeds So (1 sec-1) at the pump flange were measured with the system shown in Figure 3. This apparatus consisted of a gas inlet valve with a gas metering system, hot cathode ionization gauges and an orifice of known conductance. In some cases a residual gas analyzer was attached to the system.

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