The following results were obtained when each of a series of standard silver solutions was analyzed by flame atomic spectrometry. Concentration, ng ml 20 5 10 15 25 30 Absorbance 0.003 0.127 0.251 0.390 0.498 0.625 0.763 1. Using a graphing paper, plot the calibration curve. 2. Determine the following: a. Pearson's correlation coefficient b. Slope of the calibration plot c. Intercept of the calibration plot

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The following results were obtained when each of a series of standard silver solutions was
analyzed by flame atomic spectrometry.
Concentration, ng ml1
5
10
15
20
25
30
Absorbance
0.003 0.127 0.251 0.390 0.498 0.625 0.763
1. Using a graphing paper, plot the calibration curve.
2. Determine the following:
a. Pearson's correlation coefficient
b. Slope of the calibration plot
c. Intercept of the calibration plot
d. Equation of the regression line
e. Standard deviation of the regression line
f. Standard deviation and confidence limits of slope and intercept
g. Xo- and sxo- values for a sample giving an absorbance of 0.456
h. Limit of detection
Transcribed Image Text:The following results were obtained when each of a series of standard silver solutions was analyzed by flame atomic spectrometry. Concentration, ng ml1 5 10 15 20 25 30 Absorbance 0.003 0.127 0.251 0.390 0.498 0.625 0.763 1. Using a graphing paper, plot the calibration curve. 2. Determine the following: a. Pearson's correlation coefficient b. Slope of the calibration plot c. Intercept of the calibration plot d. Equation of the regression line e. Standard deviation of the regression line f. Standard deviation and confidence limits of slope and intercept g. Xo- and sxo- values for a sample giving an absorbance of 0.456 h. Limit of detection
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