Chapter 1: Q. 1.8 (page 20)
What is a figure of merit?
A figure of merit is a number that provides quantitative information related to the performance of an instrument or method.
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What is a transducer in an analytical instrument?
Name electrical signals that are considered time-domain signals. How is the information encoded in a time domain
signal?
What is a data domain?
What is the detector in a spectrograph in which spectral lines are recorded photographically?
(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?
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