Principles of Instrumental Analysis
7th Edition
ISBN: 9781337468039
Author: Skoog
Publisher: Cengage
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Chapter 10, Problem 10.6QAP
Interpretation Introduction
Interpretation:
The three ways by which a sample is introduced in an ICP torch needs to be described.
Concept introduction:
The sample introduction in the ICP torch needs careful analysis and decision to optimize the total analysis process.
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When an unknown amine reacts with an unknown acid chloride, an amide with a molecular mass of 163 g/mol (M* = 163 m/z)
is formed. In the infrared spectrum, important absorptions appear at 1661, 750 and 690 cm. The 13C NMR and DEPT spectra
are provided. Draw the structure of the product as the resonance contributor lacking any formal charges.
13C NMR
DEPT 90
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DEPT 135
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Draw the unknown amide.
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Principles of Instrumental Analysis
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