Environmental Engineering Reference
In-Depth Information
Table 1
Fluorescence excitation/emission (Ex/Em) wavelengths of standard substances and the subsequent characteristic peaks of the reference components
in natural waters
Samples
Fluorescence properties
Peak A-region
Peak T-region
Peak T
UV
-region References
Standard substances/Component
type
Peak C-region
Peak C
Peak M
p
Peak W
Ex/Em (nm)
Standard Suwannee River Fulvic
Acid dissolved in Milli-Q waters
(n
=
5)
b
330/462
-
-
250/462
-
-
Mostofa et al.
(
2005a
),
Mostofa KMG
et al., (unpub-
lished data)
Standard Suwannee River Fulvic
Acid dissolved in Milli-Q waters
(n
=
5)
b
-
-
-
230/441
-
-
Mostofa et al.
(
2005a
),
Mostofa KMG
et al., (unpub-
lished data)
Standard Suwannee River Fulvic
Acid dissolved in Milli-Q waters
325/442
-
-
255/450
-
-
Nakajima (
2006
)
Standard Suwannee River Fulvic
Acid dissolved in sea waters
345/452
-
-
255/451
-
-
Nakajima (
2006
)
Fulvic acids (IHSS standard, n
=
5) 333
±
4/452
±
12 -
-
-
-
-
Baker (
2005
)
Suwannee River Fulvic Acid
325/450
-
-
260/460
-
-
Coble et al. (
1990
)
Fulvic acid, extracted from River
-
300-310/420-
430
-
260-270/430-
440
-
-
(Schwede-Thomas
et al. (
2005
)
Fulvic acid, extracted from Lake
-
305/448
-
240/440
-
-
Mostofa KMG
et al., (unpub-
lished data)
Suwannee River and Pine Barrens
(pH: 3-6)
330-340/451-467 -
-
240-260/427-
468
-
-
Schwede-Thomas
et al. (
2005
)
