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Infrared spectroscopy functional group absorption frequencies Appendix

It may seem there are too many numbers to memorize in infrared spectroscopy. Hundreds of characteristic absorptions for different kinds of compounds are listed in Appendix 2. Please glance at Appendix 2, and note that Appendix 2A is organized visually, while Appendix 2B is organized by functional groups. For everyday use, we can get by with only a few stretching frequencies, shown in Table 12-2. When using this table, remember... [Pg.535]

Different types of carbonyl groups give characteristic strong absorptions at different positions in the infrared spectrum. As a result, infrared spectroscopy is often the best method to detect and differentiate these carboxylic acid derivatives. Table 21-3 summarizes the characteristic IR absorptions of carbonyl functional groups. As in Chapter 12, we are using about 1710 cm-1 for simple ketones and acids as a standard for comparison. Appendix 2 gives a more complete table of characteristic IR frequencies. [Pg.991]


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Absorption frequencies

Absorption function

Absorption infrared

Absorptivity, infrared

Frequency function

Frequency spectroscopy

Functional groups infrared absorptions

Functional groups, infrared absorption frequencies

Group Absorptions

Group frequencies

Infrared absorption frequencies

Infrared absorption spectroscopy

Infrared frequencies

Infrared functional groups

Infrared group frequencies

Infrared spectroscopy frequencies

Infrared spectroscopy groups

Infrared spectroscopy, function

Spectroscopy functional

Spectroscopy functional groups

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