Sampling valve for use in high-speed liquid chromatography

摘要

A sampling valve for use in high-speed liquid chromatography comprising a first stator having therein a sample injection flow passage and a solution flow passage, a second stator (B; G; J) having therein solution flow passages and a discharge passage, and a rotor having therein three or more sample holding bores of different diameter, said rotor being rotatably interposed between said first and second stators.