发明名称 |
SAMPLE INJECTOR WITH METERING DEVICE BALANCING PRESSURE DIFFERENCES IN AN INTERMEDIATE VALVE STATE |
摘要 |
A sample injector for use in a fluid separation system for separating compounds of a fluidic sample in a mobile phase, the sample injector comprising a switchable valve, a sample loop in fluid communication with the valve and configured for receiving the fluidic sample, a metering device in fluid communication with the sample loop and configured for introducing a metered amount of the fluidic sample on the sample loop, and a control unit configured for controlling switching of the valve to transfer the sample loop between a low pressure state and a high pressure state via an intermediate state and for controlling the metering device during the intermediate state to at least partially equilibrate a pressure difference in the sample loop between the low pressure state and the high pressure state. |
申请公布号 |
EP2438435(A1) |
申请公布日期 |
2012.04.11 |
申请号 |
EP20090779619 |
申请日期 |
2009.06.03 |
申请人 |
AGILENT TECHNOLOGIES, INC. |
发明人 |
KRETZ, WOLFGANG;GLATZ, BERND |
分类号 |
G01N30/32;G01N30/20;G01N30/36 |
主分类号 |
G01N30/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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