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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