2. Injector •The role of injector is to place the sample into the flowing mobile phase for introduction onto the column. •All HPLC systems use valve injectors, which separate sample introduction from the high-pressure eluent system.
2. Injector•The role of injector is to place the sample into the flowing mobile phase for introduction onto the column.•All HPLC systems use valve injectors, which separate sample introduction from the high-pressure eluent system.