Analytical methods Flashcards
1
Q
Gravimetric Method
A
mass is measured
2
Q
Volumetric Method:
A
volume is measured
or used to determine amount of sample via
concentration
3
Q
Instrumental Method
A
use an
instrumental technique to assay the
amount of sample:
Example: LC-MS, spectroscopy,
electroanalytical
4
Q
Analyte
A
Any chemical species whose
amount is being determined in a
quantitative analysis
5
Q
Assay
A
analytical procedure in which the
analyte is the ultimate target
6
Q
True or false: assays
are developed with a specific purpose in min
A
true
7
Q
Steps in a Chemical Analysis
A
- Formulating the question
- Selecting analytical procedures
- Sampling
- Sample preparation
- Analysis
- Reporting and interpretation
- Drawing conclusions
8
Q
Solute
A
a minor species in a solution
9
Q
Solvent
A
a major species in a solution
(e.g., water is a solvent for aqueous
solution)
10
Q
A
