instrumentation technical interview questions

Electron Spectroscopy for Chemical Analysis 1. The kinetic energy of the photoelectron energies is dependent on _________ of the atom,

Surface Spectroscopic Techniques 1. Surface is usually more than _____ atomic layer deep and is a region of ________ atomic

Tandem Mass Spectroscopy 1. Tandem mass spectroscopy combines which of the following devices? a) Mass spectrometer and gas-solid chromatograph b)

Liquid Chromatograph- Mass Spectrometer 1. Introduction of total HPLC effluent into MS is feasible. a) True b) False Answer: b

Gas Chromatograph- Mass Spectrometer 1. Which of the following is the most sensitive of the spectral methods? a) Absorption spectroscopy

Inductively Coupled Plasma Mass Spectrometer 1. ICP’s principle is similar to which of the following? a) Flame emission spectroscopy b)

Quadrupole Mass Spectrometer 1. Which of the following is not a feature of quadrupole mass spectrometer? a) Low cost b)

Radiofrequency Mass Spectrometer 1. Which of the following is placed just before the detector in radiofrequency mass spectrometer? a) Ion