Model for predicting bioavailability of arsenic in site soil and construction method and application thereof
US11933777B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2023 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Oct 30, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/243
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A model for predicting bioavailability of arsenic in site soil and a construction method and an application thereof, includes steps of: leveling soil after selecting a measuring point, vertically placing a measuring sleeve, fully supplying water to site soil to be measured, balancing for 20-40 min, measuring a water content in a soil volume not less than 40%, placing a piston DGT device into the measuring sleeve and pressing the device into soil, covering a top of the measuring sleeve with a wind shield, cleaning the piston DGT device after the measurement, analyzing a concentration of available arsenic by ICP-MS, and measuring available arsenic of soil; linearly fitting the available arsenic measured by a DGT method with human bioavailable arsenic measured by a UBM method, and obtaining a model for predicting bioavailability of arsenic in site soil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.