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词汇 Electron capture detector
分类 英语词汇 英语翻译词典
释义

Electron capture detector

英语百科

Electron capture detector

Schematic of an electron capture detector for a gas chromatograph with a 63Ni source.
Electron capture detector developed by James Lovelock in the Science Museum, London
Electron capture detector, Chemical Heritage Foundation

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.

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