Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
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Question
Chapter 9, Problem 9.8QAP
Interpretation Introduction
Interpretation:
The three things to increase the sensitivity of the nitrous oxide-acetylene burner needs to be explained.
Concept introduction:
Spectral lines help in identifying the atoms and molecules. These are a result of absorption or emission of light in a comparatively narrower frequency range compared to the frequencies nearby.
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Chapter 9 Solutions
Principles of Instrumental Analysis
Ch. 9 - Prob. 9.1QAPCh. 9 - Prob. 9.2QAPCh. 9 - Why is an electrothermal atomizer more sensitive...Ch. 9 - Prob. 9.4QAPCh. 9 - Prob. 9.5QAPCh. 9 - Prob. 9.6QAPCh. 9 - Prob. 9.7QAPCh. 9 - Prob. 9.8QAPCh. 9 - Prob. 9.9QAPCh. 9 - Prob. 9.10QAP
Ch. 9 - Prob. 9.11QAPCh. 9 - Prob. 9.12QAPCh. 9 - Prob. 9.13QAPCh. 9 - Prob. 9.14QAPCh. 9 - Prob. 9.15QAPCh. 9 - Prob. 9.16QAPCh. 9 - Prob. 9.17QAPCh. 9 - In the concentration range of 1 to 100 g/mL P,...Ch. 9 - Prob. 9.19QAPCh. 9 - Prob. 9.20QAPCh. 9 - Prob. 9.21QAPCh. 9 - The chromium in an aqueous sample was determined...Ch. 9 - Prob. 9.23QAP
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- A spectrophotometer has basic several components. Describe the role of each component and the justification for the setup of an instrument used for excitation spectroscopy and an instrument for emission spectroscopy.arrow_forwardWhat are the types of atomization in atomic absorption spectroscopy? (instrumental analysis)arrow_forwardElements can be identified by their visible spectra. Could analogous techniques be used to identify compounds from their molecular spectra? In what region of the electromagnetic spectrum would the appropriate radiation lie?arrow_forward
- Calculate the mass and linear absorption coefficients of air for CrKα radiation. Assume that air contains 80 % N2 and 20 % O2 by weight and has a density of 1.29 x10-3g/cm3?arrow_forwardAtomic fluorescence spectrometry is an attractive alternative to atomic absorption spectrometry for certain elements. For which elements is it best suited? Why?arrow_forwardYou measure that the %T of a sample at 450 nm is 11%. What is the absorbance of this sample?arrow_forward
- Which one of the following GC detectors are used for the quantification of drugs or metabolites in biological fluids? I. Nitrogen phosphorus II. Microwave-induced plasma atomic emission III. Electron capture IV. Radiochemical detector V. Fourier transform (FT) infrared (IR) detector a. I, IV, V b. II, III, IV c. I, III, IV d. III, IV, V e. I, II, Varrow_forwardHow does the Hollow Cathode Lamp work during the quantitative analysis of Iron (Fe) in Atomic Absorption Spectroscopy?arrow_forward-Compare atomic emission spectroscopy with atomic absorption spectroscopy in terms of the similarities and differences in between. (instrumental analysis)arrow_forward
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