Functional Group
Ketone
Naphthalene
Nitrate
Nitroso
Olefins
Oxalic acid
Pyridine
Quinoline
Thioether
Thioketone
Thiol
Table D-2. UV Absorbance Wavelengths of Various Chromophores (Continued)
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Chromophore
>C=O
–ONO2
–N=O
C=C–
HOOC–COOH
–S–
>C=S
–SH
D • UV Absorbances
Wavelength (nm)
266
317
270–280
220
275
312
270 (shoulder)
302
185
250
195
251
227
270
314
194
215
205
195
111