System and process for measuring ash in paper
US5854821A · kind A · utility
12Cited by
27References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1995 |
| Grant date | Dec 29, 1998 |
| Priority date | — |
| Expiry date | Jun 2, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N23/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system and process are provided for determining the concentration of a first component of a mixture wherein the first component includes at least 3 materials. The process includes directing 2 beams of x-rays into the mixture and receiving portions of the beams which are transmitted through the mixture. The concentration of the first component is determined based upon the beams transmitted through the mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.