506
K. M. G. Mostofa et al.
Type of samples/locations
Origin of DOM
Filtration
Irradiation
time
(h/days)
Solar
intensity
(MJm
−2 )
Changes in fluorescence intensities
References
size/type (μm)
Photoirradiation Microbial Photoirradiation Microbial
Peak C-region
Peak T- and T
UV -regions
%
%
DAS1 standard: 1 mg L
−1
–
MQ water
10 h (Xe lamp) nd
−93
nd
nd
nd
Mostofa et al. (2011)
DAS1 standard: 1 mg L
−1
–
MQ water
0.5 h (Xe lamp) nd
−45
nd
nd
nd
Mostofa et al. (2011)
Fulvic acid, extracted from Göta
River: 6.3 mg L
−1
Allochthonous/plant
material
NaOH
+ MQ
water
13 (UV-B lamp) nd
−32
na
nd
nd
Lepane et al. (2003)
Humic acid, extracted from Göta
River: 6.5 mg L
−1
Allochthonous/plant
material
NaOH
+ MQ
water
13 (UV-B lamp) nd
(+) 4
na
nd
nd
Lepane et al. (2003)
Fulvic acid, extracted from Göta
River: 6.3 mg L
−1
Allochthonous/plant
material
NaOH
+ MQ
water
9 (dark)
nd
na
(+) 8
nd
nd
Lepane et al. (2003)
Humic acid, extracted from Göta
River: 6.5 mg L
−1
Allochthonous/plant
material
NaOH
+ MQ
water
9 (dark)
nd
na
(+) 6
nd
nd
Lepane et al. (2003)
Aldrich fulvic acid
Allochthonous/plant
material
Deionized water 13 (irradiated) nd
−(26–41)
na
nd
nd
Winter et al. (2007)
Aldrich fulvic acid
Allochthonous/plant
material
Deionized water 13 (irradiated) nd
−(21–45)
na
nd
nd
Winter et al. (2007)
Kago upstream, Japan (35°N)
Allochthonous/plant
material
0.45
12 (irradiated) 192
−74
na
np
np
Mostofa et al. (2005b)
Kago upstream, Japan (35°N)
Allochthonous/plant
material
0.45
12 (dark)
192
na
(+) 3
np
np
Mostofa et al. (2005b)
Kago upstream, Japan (35°N)
Allochthonous/plant
material
0.45
13 (irradiated) 176
−72
na
np
np
Mostofa et al. (2007a)
Kago upstream, Japan (35°N)
Allochthonous/plant
material
0.45
13 (dark)
176
na
(+) 15
np
np
Mostofa et al. (2007a)
Nishi-Mataya upstream, Japan
(35°N)
Allochthonous/plant
material
0.45
13 (irradiated) 176
−84
na
np
np
Mostofa et al. (2007a)
Nishi-Mataya upstream, Japan
(35°N)
Allochthonous/plant
material
0.45
13 (dark)
176
na
(+) 6
np
np
Mostofa et al. (2007a)
Nishi-Mataya upstream, Japan
(35°N)
Allochthonous/plant
material
0.45
12 (irradiated) 192
−78
na
−40
na
Mostofa et al. (2007a)
Table 4 (continued)
(continued)