Environmental Engineering Reference
In-Depth Information
Table 1.9
Detailed composition of sea water at 3.5 % salinity
Element
Atomic weight
ppm
Element
Atomic weight
ppm
Hydrogen H
2
O
1.00797
110,000
Molybdenum Mo
0.09594
0.01
Oxygen H
2
O
15.9994
883,000
Ruthenium Ru
101.07
0.0000007
Sodium NaCl
22.9898
10,800
Rhodium Rh
102.905
-
Chlorine NaCl
35.453
19,400
Palladium Pd
106.4
-
Magnesium Mg
24.312
1,290
Argentum (Silver) Ag
107.870
0.00028
Sulphur S
32.064
904
Cadmium Cd
112.4
0.00011
Potassium K
39.102
392
Indium In
114.82
-
Calcium Ca
40.08
411
Stannum (tin) Sn
118.69
0.00081
Bromine Br
79.909
67.3
Antimony Sb
121.75
0.00033
Helium He
4.0026
0.0000072
Tellurium Te
127.6
-
Lithium Li
6.939
0.170
Iodine I
166.904
0.064
Beryllium Be
9.0133
0.0000006
Xenon Xe
131.30
0.000047
Boron B
10.811
4.450
Caesium Cs
132.905
0.0003
Carbon C
12.011
28.0
Barium Ba
137.34
0.021
Nitrogen ion
14.007
15.5
Lanthanum La
138.91
0.0000029
Fluorine F
18.998
13
Cerium Ce
140.12
0.0000012
Neon Ne
20.183
0.00012
Praseodymium Pr
140.907
0.00000064
Aluminium Al
26.982
0.001
Neodymium Nd
144.24
0.0000028
Silicon Si
28.086
2.9
Samarium Sm
150.35
0.00000045
Phosphorus P
30.974
0.088
Europium Eu
151.96
0.0000013
Argon Ar
39.948
0.450
Gadolinium Gd
157.25
0.0000007
Scandium Sc
44.956
<0.000004
Terbium Tb
158.924
0.00000014
Titanium Ti
47.90
0.001
Dysprosium Dy
162.50
0.00000091
Vanadium V
50.942
0.0019
Holmium Ho
164.930
0.00000022
Chromium Cr
51.996
0.0002
Erbium Er
167.26
0.00000087
Manganese Mn
54.938
0.0004
Thulium Tm
168.934
0.00000017
Ferrum (Iron) Fe
55.847
0.0034
Ytterbium Yb
173.04
0.00000082
Cobalt Co
58.933
0.00039
Lutetium Lu
174.97
0.00000015
Nickel Ni
58.71
0.0066
Hafnium Hf
178.49
<0.000008
Copper Cu
63.54
0.0009
Tantalum Ta
180.948
<0.0000025
Zinc Zn
65.37
0.005
Tungsten W
183.85
<0.000001
Gallium Ga
69.72
0.00003
Rhenium Re
186.2
0.0000084
Germanium Ge
72.59
0.00006
Osmium Os
190.2
-
Arsenic As
74.922
0.0026
Iridium Ir
192.2
-
Selenium Se
78.96
0.0009
Platinum Pt
195.09
-
Krypton Kr
83.80
0.00021
Aurum (gold) Au
196.967
0.000011
Rubidium Rb
85.47
0.120
Mercury Hg
200.59
0.00015
Strontium Sr
87.62
8.1
Thallium Tl
204.37
-
Yttrium Y
88.905
0.000013
Lead Pb
207.19
0.00003
Zirconium Zr
91.22
0.000026
Bismuth Bi
208.980
0.00002
Niobium Nb
92.906
0.000015
Thorium Th
232.04
0.0000004
Plutonium Pu
244.00
Uranium U
238.03
0.0033
-
Remark
ppm = parts per million = mg/l = 0.001 g/kg.
Source
Karl (
1968
)
