Chapter 1: Q. 1.6 (page 20)
Name electrical signals that are considered time-domain signals. How is the information encoded in a time domain
signal?
Short Answer
The time-domain signals are frequency, phase, and pulse width.
Chapter 1: Q. 1.6 (page 20)
Name electrical signals that are considered time-domain signals. How is the information encoded in a time domain
signal?
The time-domain signals are frequency, phase, and pulse width.
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(a) Use a search engine to find the IUPAC website and locate the Compendium of Chemical Terminology. What year was the latest edition published? Who were the authors?
(b) Find the definition of bias recommended in the Compendium. Does this definition and the symbology differ from that in this chapter? Explain.
(c) Find the definition of detection limit recommended in the Compendium. Does this definition and the symbology differ from that in this chapter? Explain.
(d) What are the differences between calibration sensitivity and analytical sensitivity?
(e) The following calibration data were obtained by an instrumental method for the determination of species X in aqueous solution.
(i) Calculate the calibration sensitivity.
(ii) Find the analytical sensitivity at each analyte concentration.
(iii) Find the coefficient of variation for the mean of each of the replicate sets.
(iv) What is the detection limit for the method?
List four input transducers and describe how they are used.
What is a data domain?
The data in the following table were obtained during a colorimetric determination of glucose in blood serum
(a) | Assuming a linear relationship, find the least-squares estimates of the slope and intercept. |
(b)Use the LINEST function in Excel to find the standard deviations of the slope and intercept.15What is
the standard error of the estimate?
(c)Determine the 95% confidence intervals for the slope and intercept.
(d)A serum sample gave an absorbance of 0.350. Find the glucose concentration and its standard
deviation.
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