Pressurizing sample loop by sample metering device

摘要: A sample injector ( 200 ) for use in a fluid separation system 10 separating compounds of fluidic mobile phase, the comprising switchable valve 202 ), loop 204 communication with and configured receiving sample, metering device 206 introducing metered amount on control unit 208 controlling switching to transfer between low pressure state high via an intermediate during at least partially equilibrate difference state.