Electrochemical gas detectors work by allowing gases to diffuse through a porous membrane to an electrode where it is either chemically oxidized or reduced.The amount of current produced is determined by how much of the gas is oxidized at the electrode, indicating the concentration of the gas. Manufactures can customize electrochemical gas detectors by changing the porous barrier to allow …
[email protected]Apr 01, 2015Hydrogen as a Tracer Gas for Underground Pipe Leaks. The tracer gas method for locating underground pipe or pipeline leaks has been around for many years. Original technology was with a helium leak detector. Helium tended to be difficult to justify using as the helium mass spec is a very complex instrument that is very expensive.
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