Environmental Engineering Reference
In-Depth Information
Table 1 Reported range of silver concentrations (pmol/kg) in oceanic waters
Sampling
date
Analytical
method
Sample site
[Ag] range
Fraction
Filter size
UV
Chemistry
Reference
Baltic Sea
2005-2008
<1-9.4 (surface)
Filtered
0.4
ʼ
m
Yes
Chelating resin extraction
ICP-MS
Ndung'u ( 2011 )
North
Atlantic
1990
0.3-7.2
Total
-
No
Solvent extraction
GFAAS
Flegal et al. ( 1995 )
1993
0.7-6.9
Total
-
No
Solvent extraction
GFAAS
Rivera-Duarte et al.
( 1999 )
1996
1.7-10.7
Filtered
0.22
ʼ
m
No
Solvent extraction
ICP-MS
Ndung'u et al. ( 2001 )
South
Atlantic
1990
0.2-9.6
Total
No
Solvent extraction
GFAAS
Flegal et al. ( 1995 )
1996
1.2-31.7
Filtered
0.22 ʼ m
No
Solvent extraction
ICP-MS
Ndung'u et al. ( 2001 )
ʼ
Southern
Ocean
1991
8.9-22.4 (surface)
Filtered
0.45
m
No
Solvent extraction
GFAAS
Sañudo-Wilhelmy et al.
( 2002 )
1992
5-8 (30 m)
Filtered
0.2
ʼ
m
No
Solvent extraction
GFAAS
Miller and Bruland ( 1995 )
Indian Ocean
-
-
-
-
-
-
-
-
South Pacifi c
-
1.0-32.0
Filtered
-
No
Solvent extraction
ID-TIMS
Murozumi ( 1981 )
2001
9-11.4
Filtered/total
0.2
ʼ
m
No
Solvent extraction
ID-ICPMS
Zhang et al. ( 2004 )
North Pacifi c
1981
0.4-25.0
Filtered
0.4 ʼ m
No
Solvent extraction
GFAAS
Martin et al. ( 1983 )
ʼ
1998
4.2-46.8
Filtered
0.45-0.04
m
No
Solvent extraction
ID-ICPMS
Zhang et al. ( 2001 )
m No Solvent extraction ID-ICPMS Zhang et al. ( 2004 )
2002 1.0-87.7 Total - Yes Chelating resin extraction ICP-MS Ranville and Flegal
( 2005 )
2009 6.2-72.9 Total - Yes Chelating resin extraction ICP-MS GEOTRACES IC cruise
2005 6.0-71.6 Total/fi ltered - No Solvent extraction ID-ICPMS Kramer et al. ( 2011 )
Bering Sea 1999 2.7-104.5 Filtered 0.04 ʼ m No Solvent extraction ID-ICPMS Zhang et al. ( 2004 )
GFAAS graphite furnace atomic absorption spectrometry, ICP - MS inductively coupled plasma—mass spectrometry, ID - TIMS isotope dilution—thermal ionization
mass spectrometry, ID - ICPMS isotope dilution—inductively coupled plasma—mass spectrometry
2000-2001
1.5-66.2
Filtered
0.04-0.2
ʼ
 
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