(a)
Interpretation:
The standard solution of methyl vinyl
Concentration MVK, mmol/L | Relative Peak Area |
0.500 | 3.76 |
1.50 | 9.16 |
2.50 | 15.03 |
3.50 | 20.42 |
4.50 | 25.33 |
5.50 | 31.97 |
The slope and the intercept of the least square line are to be determined.
Concept introduction:
The slope of a line is also known as a gradient of line which is used to define the direction and steepness of the line.
The intercept line is the y-axis of a line at which point it crosses the X −axis.
(b)
Interpretation:
The graph for the least square line as well as experimental points is to be plotted.
Concept introduction:
The least-square method is a method in which the best result is obtained for the set data point by minimizing the sum of offset or residuals from the plot of curve statistically.
(c)
Interpretation:
The relative peak area of the sample containing MVK is 10.3. The concentration of MVK in the solution is to be determined.
Concept introduction:
The slope of a line is also known as a gradient of line which is used to define the direction and steepness of the line.
The intercept line is the y-axis of a line at which point it crosses the X −axis.
(d)
Interpretation:
It is considered that the result obtained from (d) is representing the single measurement as well as the mean of four measurements. The respective absolute and relative standard deviation is to be determined.
Concept introduction:
The standard deviation method is used for the quantification of the amount of variation or for the dispersion for the set of the data values.
(e)
Interpretation:
The calculation for the section (c) and (d) is to be repeated when the peak area of the sample is 22.8.
Concept introduction:
The standard deviation method is used for the quantification of the amount of variation or for the dispersion for the set of the data values.

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Chapter A1 Solutions
PRINCIPLES OF INSTRUMENTAL ANALYSIS
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