Process for dehydrating a mineral oil or other solvents for the preparation of moisture-in-oil or moisture-in-solvent standards
US6423210B1 · kind B1 · utility
2Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1996 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Jun 18, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/2847
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An oil, such as a mineral oil, for example, transformer oil, is contacted with calcium carbide and the mixture is stirred until a liquid phase containing less than 1 ppm water and a solid phase containing Ca(OH)2 and unreacted CaC2 are obtained. The oil obtained can be used to give samples of known quantities of water by adding corresponding amounts thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.