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In order to obtain ISS spectra, the backscattered primary ions are sampled by which of the following?(a) Faraday cup analyser(b) Photographic analyser(c) Micro-channel analyser(d) Cylindrical mirror analyserThis question was posed to me in a job interview.My doubt stems from Instrumentation of Ion Spectroscopy topic in chapter Electron and Ion Spectrometers of Analytical Instrumentation

Answer» RIGHT option is (d) Cylindrical mirror analyser

Easiest explanation: In order to obtain ISS spectra, the backscattered primary ions are SAMPLED by cylindrical mirror analyser. Their KINETIC energies are then MEASURED.


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