Method for fluid sampling
First Claim
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1. A method for sampling a fluid, the method comprising:
- providing a sampling fluid in a directional stream;
positioning a scrubbing liquid in a pattern to intercept the sampling fluid;
contacting the sampling fluid with the scrubbing liquid to remove at least one constituent from the sampling fluid;
collecting the scrubbing liquid to collect the constituent; and
analyzing the scrubbing liquid for the presence of the constituent, wherein the scrubbing liquid is positioned in the pattern by electrical control.
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Abstract
The present disclosure relates to a method for sampling a fluid, such as air. As fluid flows through a device, a scrubbing liquid is positioned in a pattern to contact the fluid and constituents in the fluid are transferred to in the liquid.
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Citations
22 Claims
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1. A method for sampling a fluid, the method comprising:
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providing a sampling fluid in a directional stream;
positioning a scrubbing liquid in a pattern to intercept the sampling fluid;
contacting the sampling fluid with the scrubbing liquid to remove at least one constituent from the sampling fluid;
collecting the scrubbing liquid to collect the constituent; and
analyzing the scrubbing liquid for the presence of the constituent, wherein the scrubbing liquid is positioned in the pattern by electrical control. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for sampling gases, the method comprising:
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providing a gas in a directional stream;
positioning a scrubbing liquid in a pattern droplets to intercept the gas;
contacting the gas with the scrubbing liquid to remove at least one constituent from the gas;
collecting the scrubbing liquid to collect the constituent; and
analyzing the scrubbing liquid for the presence of the constituent, wherein the scrubbing liquid is positioned in the pattern of droplets by electrowetting on a dielectric.
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22. A method for sampling gases, the method comprising:
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providing a gas in a directional stream;
positioning a scrubbing liquid in a pattern of ferrofluid structures to intercept the gas;
contacting the gas with the scrubbing liquid to remove at least one constituent from the gas;
collecting the scrubbing liquid to collect the constituent; and
analyzing the scrubbing liquid for the presence of the constituent, wherein the scrubbing liquid is positioned in the pattern of ferrofluid structures by applying a magnetic field to the ferrofluid.
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Specification