Environmental Engineering Reference
In-Depth Information
Table 3
(continued)
Examples of concen-
tration levels in envi-
ronmental samples
Sample type
Sampling site
Analytes
Unit
Literature cited
1
2
3
4
5
6
Marine
sediments
Pacific Ocean
Pt
2.7-22.8
ng g
−1
Terashima et al.
2002
Pd
0.9-8.6
South Pacific
Pt
9.45-78.7
ng g
−1
Lee et al. 2003
Pd
4.16-24.0
Ru
0.325-10.2
Os
0.033-0.809
Ir
0.269-13.8
North Pacific
117
90.1
27.2
1.08
12.7
Primary
effluent
a
Germany
Pt
ng L
−1
Laschka and
Nachtwey
1997
-October
1994
8.1-23.3 (dry
season)
10.3-25.9 (rainy
season)
-June/July
1995
29.6-41.8 (dry
season)
26.6-91.7 (rainy
season)
Secondary
effluent
-October
1994
4.4-7.6 (dry
season)
8.2-10.7 (rainy
season)
-June/July
1995
6.4-9.2 (dry season)
11.7-12.4 (rainy
season)
Must
Germany
Pt
0.4
ng L
−1
Alt et al. 1997
Wine
0.5-2.4
Hospital
waste
water
Germany
Pt
110-176 (d)
ng L
−1
Kümmerer and
Helmers 1997
38 (night)
Snow
Russian
Federation
Pt
<1-650
ng L
−1
Gregurek et al.
1999
Pd
<1-2770
Rh
<0.5-19.0
LOD
limit of detection,
n.d.
not detected
a
The cited work describes two sewage treatment stages, called primary and secondary treatments
have prominent uses in glass and jewelry production, and in the medical and dental
sectors. Additionally, PGEs have exceptional catalytic properties, which render
them particularly useful in vehicle and industrial catalytic devices. The growth of
Search WWH ::
Custom Search