SAMPLE SUPPLY DEVICE AND GAS CHROMATOGRAPH
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United States of America Patent
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Issued Date -
Dec 21, 2023
app pub date -
Apr 25, 2023
filing date -
Jun 15, 2022
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Abstract
Provided is a sample container and a gas chromatograph capable of detecting the pressure in the flow path for supplying a pressurized gas into a flow path. The ample supply device includes and insertion tube, a pressurized gas supply unit, a valve, and a pressure sensor. The pressurized gas supply unit is connected to the insertion tube via the flow path. The valve opens and closes the flow path. The pressure sensor senses the pressure between the valve and the insertion tube in the flow path. In the sample supply device, the pressure in the flow path connecting the pressurized gas supply unit and the insertion tube is detected, based on the detection signal from the pressure sensor in a state in which the valve is closed, and the insertion tube is inserted into the space in the sample container, before supplying a pressurized gas by a pressurized gas supply unit.
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