The three essential components of any mass spectrometer are: I ion source. II decelerator. III detector. IV mass analyzer. V accelerator. OI, III, and IV II, III, and IV OI, III, and V O II, IV, and V
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a) Briefly describe the purpose of the three most important parts of a mass spectrometer: 1 ion source, 2 separator, and 3 detector. What are their features? b) Give examples of 2 common ion sources and describe their respective functions briefly. c) In quantitative analyses with mass spectrometers as detectors for chromatographic separations, two fundamentally different techniques are often used to record the chromatograms: total ion current (TIC) or selected ion monitoring (SIM). Describe the two techniques and explain which main advantage each technique has depending on what information about the sample mixture you want. d) Explain briefly the strategy for choosing an internal standard for accurate quantitative analysis by mass spectrometry with (which works with TIC and/or SIM).
Adi S.
Which of the following main component of mass spectroscopy deal with resolving the ions into their characteristics mass components according to their mass-to-charge ratio? Select one: a. Ion Source b. Detector System c. Analyzer d. Analyzer tube Using which instrument setup we cannot recover the analysed individual components of substance after analysis: Select one: a. Preparative HPLC b. Analytical HPLC
David C.
A Mass Spectrometer It is possible to accelerate ions to a known kinetic energy in an electric field. Sometimes chemists and physicists do this as part of a method to identify the chemical elements present in a beam of ions by determining the mass of each ion. This can be done by bending the ion beam in a uniform magnetic field and measuring the radius of the semicircular path each ion takes. A device that does this is called a mass spectrometer. $\mathrm{A}$ schematic of a mass spectrometer is shown in Fig. $29-40$.
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