Wavelength selection
D-13
*Willard, H. H. and others. Instrumental Methods of Analysis, 6th ed. Litton Educational Publishing,
Inc., 1981. Reprinted by permission of Wadsworth Publishing Co., Belmont, California, 94002.
Nitrate
—ONO2
270
(shoulde
r)
12
Allene
—(C=C)2—
(acyclic)
210-230
21,000
Allene
—(C=C)3—
260
35,000
Allene
—(C=C)4—
300
52,000
Allene
—(C=C)5—
330
118,000
Allene
—(C=C)2—
(alicyclic)
230-260
3000-8000
Ethylenic/
Acetylenic
C=C—C
≡
C
219
6,500
Ethylenic/
Amido
C=C—C=N
220
23,000
Ethylenic/
Carbonyl
C=C—C=O
210-250
10,000-
20,000
Ethylenic/
Nitro
C=C—NO2
229
9,500
Electronic absorption bands of representative chromophores*
Chromophore
Chemical
Configuration
λ
max
(nm)
∈
max
(L/m/cm)
λ
max
(nm)
∈
max
(L/m/cm)
Содержание 2489
Страница 8: ...viii...
Страница 32: ...1 16 Theory and Principles of Operation...
Страница 134: ...3 66 Preparing the Detector...
Страница 193: ...Warnings that apply to all Waters instruments A 9...
Страница 204: ...B 6 Detector Specifications...
Страница 220: ...D 14 Solvent Considerations...