Systems and methods for measuring nitrate levels
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United States of America Patent
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Jul 20, 2004
Grant Date -
Feb 27, 2003
app pub date -
Oct 9, 2002
filing date -
Oct 12, 1999
priority date (Note) -
Expired
status (Latency Note)
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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.
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