Methods for detecting sulfur
US9417227B2 · kind B2 · utility
0Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2014 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Oct 20, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/188
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for rapid detection of sulfur in a gypsum sample by causing emission of sulfur from the sample as vapors, reacting the vapors with silver nitrate and detecting sulfur by monitoring for color change. A kit for rapid detection of sulfur in a gypsum sample is also provided. Further methods include those in which the amount of sulfur in a gypsum sample is quantified in colorimetric analysis with silver nitrate and gypsum standards with known concentrations of sulfur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.