Environmental Engineering Reference
In-Depth Information
Table 2
The luorescent components identiied using PARAFAC modeling on the sample's EEM and their characteristic peaks as excitation (Ex)-Emission (Em) maxima
Fluorescent components
Components identi-
ied and sources
Fluorescence properties
References
Peak C-region
Peak A-region
Peak T-region Peak T
UV
-region
Peak C
Peak M
p
Peak M
Peak W
Major
Minor
EX/Em (nm)
Allochthonous fulvic acids
(
C-like, A-like, and M-like
)
Suwannee River Fulvic Acid
(C-like), standard,
dissolved in Milli-Q waters
(n
=
5)
Component 1,
allochthonous
330/462
-
-
-
250/462
-
-
-
Mostofa et al.
(
2005a
)
c
, Mostofa
KMG et al.,
(unpublished data)
Fulvic acid (C-like), Yellow
River, upstream waters,
China
Component 1
335/449
-
-
-
250/449
-
-
-
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (C-like), Yellow
River, mainstream waters,
China
Component 1
340/440
-
295/440
-
250/440
-
-
-
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (C-like), Nanming
River, China
Component 1
300-310/
423-448
-
-
-
235-255/
425-447
-
-
-
Mostofa et al. (
2010
)
Fulvic acid (C-like)?, urban
sewerage samples
RU
Component 5
380/467
-
-
-
260/467
-
-
-
Guo et al. (
2010
)
Fulvic acid (C-like)?, drinking
water treatment plant
RU
Component 3
330/420
-
-
-
<250/420
-
-
-
Baghoth et al. (
2010
)
Fulvic acid (C-like), The
Second Song Hua Jiang
River, North-East China
Component 1
325-340/
449-458
-
-
-
255-260/
449-458
-
-
-
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (C-like), LiaoHe
River, North-East China
Component 1
330/449
-
-
-
260/449
-
-
-
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (C-like), Yellow
River, China (12 days dark
incubation)
Component 1
300/449
-
-
-
250/449
-
-
-
Mostofa KMG et al.,
(unpublished data)
Component 1
c
,
Fulvic acid (C-like), streams,
-
Peak′
-
Peak′
-
-
-
Balcarczyk et al.
