Measuring and testing – Instrument proving or calibrating – Gas or liquid analyzer
Patent
1996-09-12
1997-08-26
Williams, Hezron E.
Measuring and testing
Instrument proving or calibrating
Gas or liquid analyzer
137 7, G01N 3300
Patent
active
056612257
ABSTRACT:
An apparatus for generating a low concentration calibration gas mixture containing percent, ppm, ppb or ppt amounts of a desired analyte from a high concentration gas mixture and a high purity diluent using a series of source gas containing vessels and a series of parallel gas or chemical conduits controlled by mass flow controllers in a purged enclosure with conduits to purge gas conduits of residual gases or corrosive gases.
REFERENCES:
patent: 4101282 (1978-07-01), Ririe
patent: 4290296 (1981-09-01), Bredeweg et al.
patent: 5054309 (1991-10-01), Mettes et al.
patent: 5214952 (1993-06-01), Leggett et al.
patent: 5239856 (1993-08-01), Mettes et al.
patent: 5587519 (1996-12-01), Ronge et al.
Dheandhanoo Seksan
Ketkar Suhas Narayan
Maroulis Peter James
Pearce Richard Vincent
Ridgeway Robert Gordon
Air Products and Chemicals Inc.
Ashraf Nashmiya
Chase Geoffrey L.
Williams Hezron E.
LandOfFree
Dynamic dilution system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dynamic dilution system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamic dilution system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1989267