From Wikipedia, the free encyclopedia. Schematic of an electron capture detector for a gas chromatograph with a 63 Ni source. An electron capture detector (ECD) is a device for detecting atoms and molecules in a gas through the attachment of electrons via electron capture ionization. The device was invented in 1957 by James Lovelock and is used in gas chromatography to detect trace amounts of chemical compounds in a sample.
Deutsch: Landau an der Isar (amtlich: Landau a.d.Isar) ist die zweitgrÃ¶Ãte Stadt im niederbayerischen Landkreis Dingolfing-Landau. English: Landau an der Isar (official title: Landau a.d.Isar) is the second largest town in the Lower Bavarian county, or Landkreis, of Dingolfing-Landau, in the province of Bavaria, Germany. It lies on the river Isar. As of 2005, the population was around 12,950.
Heidelberg is a college town in Baden-WÃ¼rttemberg situated on the river Neckar in south-west Germany. At the 2015 census, its population was 156,257, with roughly a quarter of its population being students. Located about 78 km south of Frankfurt, Heidelberg is the fifth-largest city in the German state of Baden-WÃ¼rttemberg. Heidelberg is part of the densely populated Rhine-Neckar Metropolitan Region. Founded in 1386, Heidelberg University is Germany's oldest and one of Europe's most ...