A linear TOF mass spectrometer needs to be compared with an orthogonal TOF instrument. The advantages and limitations of the two geometries needs to be determined. Concept introduction: The measurement of time which is taken by a wave, object, or particle to travel the given distance with the help of a medium is called time-of-flight. Time-of-flight mass spectrometry is a technique, which helps in determining the ratio of mass-to-charge of an ion with the help of time-of-flight measurements.

Question

Use the vapor-liquid equilibrium data at 1.0 atm. for methanol-water (Table 2-8 ) for the following: If the methanol vapor mole fraction is 0.600, what is the methanol liquid mole fraction? Is there an azeotrope in the methanol-water system at a pressure of 1.0 atmospheres? If water liquid mole fraction is 0.350, what is the water vapor mole fraction? What are the K values of methanol and of water at a methanol mole fraction in the liquid of 0.200? What is the relative volatility αM-W at a methanol mole fraction in the liquid of 0.200?

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Question

Chapter 11, Problem 11.2QAP

Interpretation Introduction

Interpretation:

A linear TOF mass spectrometer needs to be compared with an orthogonal TOF instrument. The advantages and limitations of the two geometries needs to be determined.

Concept introduction:

The measurement of time which is taken by a wave, object, or particle to travel the given distance with the help of a medium is called time-of-flight. Time-of-flight mass spectrometry is a technique, which helps in determining the ratio of mass-to-charge of an ion with the help of time-of-flight measurements.

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