Method and apparatus for determining the amount of gas adsorbed or desorbed from a solid
US4489593A · kind A · utility
50Cited by
4References
54Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1982 |
| Grant date | Dec 25, 1984 |
| Priority date | — |
| Expiry date | Sep 9, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2015/0873
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods for determining the amount of a gas adsorbed or desorbed from a solid sample wherein a gas is introduced or withdrawn from a sample containing chamber at a substantially constant mass flow rate while measuring the pressure change within said chamber as a function of time is disclosed. An apparatus for conducting said method which uses a mass flow controller is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.