海水中主要存在哪些化学物质及含量
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海水中主要存在哪些化学物质及含量
![海水中主要存在哪些化学物质及含量](/uploads/image/z/6601689-9-9.jpg?t=%E6%B5%B7%E6%B0%B4%E4%B8%AD%E4%B8%BB%E8%A6%81%E5%AD%98%E5%9C%A8%E5%93%AA%E4%BA%9B%E5%8C%96%E5%AD%A6%E7%89%A9%E8%B4%A8%E5%8F%8A%E5%90%AB%E9%87%8F)
Li
174
μg
Fe
55
ng
B
4.5
mg
Ni
0.50
μg
C
27.6
mg
Cu
0.25
μg
N
420
μg
Zn
0.40
μg
F
1.3
mg
As
1.7
μg
Na
10.77
g
Br
67
mg
Mg
1.29
g
Rb
120
μg
Al
540
ng
Sr
7.9
mg
Si
2.8
mg
Cd
80
ng
P
70
μg
I
50
ng
S
0.904
g
Cs
0.29
μg
Cl
19.354
g
Ba
14
μg
K
0.399
g
Hg
1
ng
Ca
0.412
g
Pb
2
ng
Mn
14
ng
U
3.3
μg
174
μg
Fe
55
ng
B
4.5
mg
Ni
0.50
μg
C
27.6
mg
Cu
0.25
μg
N
420
μg
Zn
0.40
μg
F
1.3
mg
As
1.7
μg
Na
10.77
g
Br
67
mg
Mg
1.29
g
Rb
120
μg
Al
540
ng
Sr
7.9
mg
Si
2.8
mg
Cd
80
ng
P
70
μg
I
50
ng
S
0.904
g
Cs
0.29
μg
Cl
19.354
g
Ba
14
μg
K
0.399
g
Hg
1
ng
Ca
0.412
g
Pb
2
ng
Mn
14
ng
U
3.3
μg