Autosampler for chromatograph
AssigneeShimadzu Corporation
InventorTakaaki Fujita
Life of this patent
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Abstract
An autosampler for a chromatograph includes a first injection port through which a sample is injected into a first analysis flow path of the chromatograph, a second injection port through which a sample is injected into a second analysis flow path of the chromatograph, a needle that is movable to both of the first injection port and the second injection port, and injects a sample into the first injection port and the second injection port, a first sample loop that stores a sample to be injected into the first analysis flow path, a second sample loop that stores a sample to be injected into the second analysis flow path, and a metering pump that loads a sample in the first sample loop and the second sample loop.
Claims6
An autosampler for a chromatograph, comprising:
- a first injection port through which a sample is injected into a first analysis flow path of the chromatograph;
- a second injection port through which a sample is injected into a second analysis flow path of the chromatograph;
- a needle that is movable to both of the first injection port and the second injection port, and injects a sample into the first injection port and the second injection port;
- a first sample loop that stores a sample to be injected into the first analysis flow path;
- a second sample loop that stores a sample to be injected into the second analysis flow path;
- a metering pump that loads a sample in the first sample loop and the second sample loop;
- a first valve that switches a connection among the first injection port, the first sample loop and the first analysis flow path;
- and
- a second valve that switches a connection among the second injection port, the second sample loop and the second analysis flow path.
Dependencies are inferred from the claim text.