As the sample is carried into the detector by the carrier gas, electron-absorbing analyte molecules capture electrons and thereby reduce the current between the collector anode and a cathode. The analyte concentration is thus proportional to the degree of electron capture.
Larsen is an unincorporated community in the town of Clayton, in  Winnebago County, Wisconsin, United States. A post office called Larsen has been in operation since 1898. The community was named for Philip Larsen, the first storekeeper there.
Gotham (also Richland City) is an unincorporated census-designated place, in the town of Buena Vista, in Richland County, Wisconsin, United States. It located about an hour west of Madison, Wisconsin. It is located at the intersection of Wisconsin Highway 60 and U.S. Route 14. It is located just north of the Wisconsin River, northeast of Avoca and southeast of Richland Center. As of the 2010 census, its population was 191.