Briefly explain four importance of conducting sample preparation prior to instrumental analysis.Consider the following situations: If you were to analyse traces of petroleum from a piece of burned carpet, which sample preparation method is more suitable, solid phase microextraction (SPME) or pressurized liquid extraction (PLE)? Explain the choice of method chosen and why the other method is not suitable. If you were to analyse caffeine in a coffee drink, which sample preparation method is more suitable, solid phase microextraction (SPME) or solid phase extraction (SPE)? Discuss the reason for your choice and the reason for not choosing the other method.

Sample preparation is a very crucial step in experimental analysis . This is one of the most…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Briefly explain four importance of conducting sample preparation prior to instrumental analysis.
Consider the following situations:

If you were to analyse traces of petroleum from a piece of burned carpet, which sample preparation method is more suitable, solid phase microextraction (SPME) or pressurized liquid extraction (PLE)? Explain the choice of method chosen and why the other method is not suitable.

If you were to analyse caffeine in a coffee drink, which sample preparation method is more suitable, solid phase microextraction (SPME) or solid phase extraction (SPE)? Discuss the reason for your choice and the reason for not choosing the other method.

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