Chapter 1 Introduction to analytical chemistry

Question 1

What are the seven stages of an analytical method?

Answer 1

1. Conceptions of analytical method (Birth)
2. Successful demonstration that the analytical method works
3. Establishment of the analytical method capabilities
4. Widespread acceptance of the analytical method
5. Continued development of the analytical method leads to significant improvements
6. New cycle through steps 3-5
7. Analytical method can no longer compete with newer analytical methods (death)

Question 2

Analytical chemistry works to _________ established analytical methods

Answer 2

Improve/expand

Question 3

What are the steps in the analytical approach?

Answer 3

1. Identify & define problem
2. Design experimental procedure
3. Conduct experiment & gather ddata
4. Analyze experimental data
5. Propose solution to problem

Question 4

Analytical chemistry involves _________ analysis, quantitative analysis. & characterization analysis

Answer 4

Qualittative

Question 5

The purpose of a qualitative, quantitative, or characterization analysis is to _______ a problem associated with a sample

Answer 5

Solve

Question 6

The purpose of fundamental analysis is what?

Answer 6

To improve our understanding of the theory that supports an analytical method & to understand better a n analytical method’s limitations

Question 7

Qualitative analysis

Answer 7

Identifying certain things

Question 8

Quantitative analysis

Answer 8

Measures certain things/ how much

Question 9

Characterization analysis

Answer 9

Characterizing physical & chemical properties (ex determining chemical structure, equilibrium constant, particle size, etc)