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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Chapter 11, Problem 11.3QAP
Interpretation Introduction
Interpretation:
The function of ICP torch in the ICPMS needs to be explained.
Concept introduction:
ICPMS is a kind of
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Principles of Instrumental Analysis
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- Describe the principle and operation of anodic stripping voltammetry (ASV). How does it differ from adsorptive stripping voltammetry? What is the quantitative signal?arrow_forwardChemistry Describe how an ICP plasma torch (atomizer) operates, why it may be necessary to use one, and some advantages / disadvantages of using one.arrow_forwardWhat are possible sources of error that may occur when performing a cyclic voltammetry experiment? How can they be improved? What are alternative methods of analysis?arrow_forward
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- Which are true for polarography? I Polarography is amperometry conducted with a dropping Hg electrode. II The diffusion current in the plateau region of the polarographic wave is proportional to the concentration of the analyte and is used for quantitative analysis. III The half-wave potential for maximum current is characteristic of a given analyte in a given medium and can be used for qualitative analysis for the analyte. IV Fresh Hg drops give reproducible results. V Polarography is used to primarily to study oxidations Hg may reduce when studying reductions. A.I, III, and IV B. II, III, and V C. I and V D. III, IV, and V E. II, III, and IVarrow_forwardWhy are adsorbate particles attracted and retained on the surface ofadsorbent?arrow_forwardWhat is the major limitation of IR regarding the materials that can be used for instrumental components.arrow_forward
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