Instrumentation of Ion Spectroscopy

Instrumentation of Ion Spectroscopy 1. In ion spectroscopy, the positive ions are focussed on the sample at which of the following angles? a) 20o b) 30o c) 45o d) 90o…

Ion Spectroscopy Questions & Answers

Ion Spectroscopy Questions & Answers 1. In Ion spectroscopy, the primary ion is usually which of the following? a) Inert gas ion b) Halogen ion c) Oxygen group gas ion…

Instrumentation for Electron Spectroscopy

Instrumentation for Electron Spectroscopy 1. A basic X-ray source includes which of the following components? a) Large target anode b) Large target cathode c) Small target anode d) Small target…

Auger Electron Spectroscopy

Auger Electron Spectroscopy 1. The characterisation of auger spectroscopy can be achieved up to which of the following depths? a) 1 nm b) 2 nm c) 4 nm d) 8…

Electron Spectroscopy for Chemical Analysis

Electron Spectroscopy for Chemical Analysis 1. The kinetic energy of the photoelectron energies is dependent on _________ of the atom, which makes XPS useful to identify the oxide state. a)…

Surface Spectroscopic Techniques

Surface Spectroscopic Techniques 1. Surface is usually more than _____ atomic layer deep and is a region of ________ atomic potentials. a) One, uniform b) One, non-uniform b) Two, uniform…

Tandem Mass Spectroscopy

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

Liquid Chromatograph- Mass Spectrometer

Liquid Chromatograph- Mass Spectrometer 1. Introduction of total HPLC effluent into MS is feasible. a) True b) False Answer: b Explanation: Introduction of total HPLC effluent into MS is not…

Gas Chromatograph- Mass Spectrometer

Gas Chromatograph- Mass Spectrometer 1. Which of the following is the most sensitive of the spectral methods? a) Absorption spectroscopy b) Mass spectroscopy c) Flame emission spectroscopy d) Atomic emission…

Inductively Coupled Plasma Mass Spectrometer

Inductively Coupled Plasma Mass Spectrometer 1. ICP’s principle is similar to which of the following? a) Flame emission spectroscopy b) Fourier transforms spectroscopy c) Atomic emission spectroscopy d) Absorption spectroscopy…