Gas chromatograph
A gas chromatograph is provided with: a sample gas generator; a separation column; a detector; a plurality of gas supply sources; a switching unit; a regulator; and an out-of-gas determination unit. After the out of gas determination unit has determined that the out of gas has occurred in the gas su...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A gas chromatograph is provided with: a sample gas generator; a separation column; a detector; a plurality of gas supply sources; a switching unit; a regulator; and an out-of-gas determination unit. After the out of gas determination unit has determined that the out of gas has occurred in the gas supply source supplying the carrier gas to the sample gas generator, it is configured to perform a column protection operation for changing the gas supply source fluidly connected to the sample gas generator by the switching unit. |
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