INSTRUMENTAL ANALYSIS-ACCESS >CUSTOM<
INSTRUMENTAL ANALYSIS-ACCESS >CUSTOM<
7th Edition
ISBN: 9781337783439
Author: Skoog
Publisher: CENGAGE C
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Chapter 9, Problem 9.5QAP
Interpretation Introduction

Interpretation:

The reason behind the use of source modulation in atomic absorption spectroscopy needs to be explained.

Concept introduction:

Spectral lines are lines which help in identifying the atoms and molecules. These are a result of absorption or emission of light in a comparatively narrower frequency range as compared to the frequencies nearby.

Monochromators are optical devices which transmit from a wide range of available wavelengths, a mechanically selectable narrow wavelength band. These could be wavelengths of light or any other radiation.

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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 90 200 160 120 80 40 0 200 160 120 80 40 0 DEPT 135 T 200 160 120 80 40 0 Draw the unknown amide. Select Dow Templates More Frage
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