Systems and methods for measuring nitrate levels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Mar 17, 2005
app pub date -
Jul 20, 2004
filing date -
Oct 12, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The systems and methods described herein relate to the measurement of nitrate levels in a sample of gas, for example, air, exhaust, or other sources of gas. Moreover, the systems and methods described herein are capable of operating using short sample collection periods, permitting rapid data collection and finely time-resolved nitrate monitoring over a span of time. Additionally, ambient nitrate can effectively be distinguished from other airborne particles, such as sulfate and carbon.
First Claim
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International Classification(s)
Cited Art Landscape
| Patent Info | (Count) | # Cites | Year |
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| * 4647777 Selective gas detector | 18 | 1985 | |
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| * 5970804 Methods and apparatus for analysis of complex mixtures | 42 | 1997 | |
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| * 5401468 Dual flow path carbon particulate monitor | 12 | 1994 | |
| * 5983732 Integrated collection and vaporization particle chemistry monitoring | 13 | 1998 | |
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| * 5854077 Continuous measurement of particulate nitrate | 8 | 1996 | |
| * 6503758 Systems and methods for measuring nitrate levels | 4 | 2000 | |
| * 6764857 Systems and methods for measuring nitrate levels | 1 | 2002 | |
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