Q. Which of the following is the most sensitive of the spectral methods?

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Q. Which of the following is the disadvantage of gas chromatography?

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Q. Cold tray is provided for liquid N₂ or CO₂ but is used only for extremely small samples.

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Q. Which of the following is most often used in the chromatograph in gas chromatograph MS?

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Q. GC- MS has been developed for which of the following systems?

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Q. Which of the following problems occur when combining gas chromatography and mass spectroscopy?

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Q. The carrier gas with low molecular weight would diffuse at a higher rate than the higher molecular weight sample.

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Q. Which of the following is the type of separator used in commercial GC-MS systems?

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Q. The system for measurement of ion intensity in GS-MS system consists of which of the following?

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Q. The system for measurement of ion intensity in GS-MS system consists of which of the following?

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Q. Introduction of total HPLC effluent into MS is feasible.

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Q. The gas burden from conventional LC flow rates creates nearly _____ times more gas than cryo-pumped vacuum system can handle.

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Q. Which of the following should be in a position to split the effluent?

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Q. Which of the following is the most commonly used interface?

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Q. Only ______ percent of the effluent of the liquid chromatography must be introduced in the mass spectrometer.

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Q. Which of the following is the normal nebuliser temperature used in LC mass spectrometry?

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Q. The ions are focussed and de-clustered through which of the following regions?

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Q. The ions are passed into the high vacuum analyser through which of the following?

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Q. Using an interface would reduce detection limit and sensitivity.

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Q. Gas burden from conventional LC flow rates is which of the following?

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