Patent ID: 11911759
Assignee: ELEMENTAL SCIENTIFIC, INC.
Field: Measurement (Instruments)
Classification: CPC B  G  H | IPC B  G  H

Claim 11:
12. A method for single-stage and dual-stage dilution of a sample, comprising:
introducing, via a pump system, a sample and a diluent to a selection valve system, the selection valve system configured to provide a single-stage sample dilution of a sample according to a first operating mode and to provide a dual-stage sample dilution of the sample according to a second operating mode;
mixing the sample and the diluent in a mixing port disposed in a valve of the selection valve system when the selection valve system in the first operating mode to provide a diluted sample; and
mixing the diluted sample and the diluent in a second mixing port of the selection valve system when the selection valve system is in the second operating mode and not when the selection valve system is in the first operating mode to provide a further diluted sample.