Inline dilution and autocalibration for ICP-MS speciation analysis
US10935473B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2019 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Aug 30, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/042
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Systems and methods for speciation of chemicals of interest with inline and automatic dilution or addition of other fluids prior to or following speciation with subsequent analysis by ICP instruments are described. A system embodiment includes, but is not limited to, a first valve having a first valve configuration to receive a sample into a holding loop coupled to the first valve and a second valve configuration to transfer the sample from the holding loop; and a second valve having a first valve configuration configured to receive the sample from the first valve and direct the sample to a speciation column to separate one or more species of the sample, the second valve further including a fluid addition port configured to receive a fluid into the second valve to mix with the sample after the sample exits the speciation column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.