Page 241 - Algae Anatomy, Biochemistry, and Biotechnology

224 Algae: Anatomy, Biochemistry, and Biotechnology

TABLE 6.10
Average Concentration of Typical Seawater Constituents

Average Molar
Element Concentration (Range)
Group I
Na þ 4.7 10 21
K þ 1.02 10 22
Mg 2þ 5.3 10 22
Ca 2þ 1.03 10 22
Cl 2 5.5 10 21
22 22
SO 4 2.8 10
2 23
HCO 3 2.3 10
32 24
BO 3 4.2 10
Group II
Br 2 8.4 10 24
F 2 6.8 10 25
2 27
IO 3 4.4 10
Li þ 2.5 10 25
Rb þ 1.4 10 26
Sr 2þ 8.7 10 25
Ba 2þ 1 10 27
22 27
MoO 4 1.1 10
32 28
VO 4 2.3 10
22 29
CrO 4 4 10
32 28
AsO 4 2.3 10
22 29
SeO 4 1.7 10
Group III
2 25 28 25
NO 3 3 10 (10 to 4.5 10 )
32 26 27 26
PO 4 2.3 10 (10 to 3.5 10 )
27
Fe 3þ 1 10 29 (10 210 to 10 )
27
Zn 2þ 6 10 29 (5 10 211 to 10 )
26
Mn 2þ 5 10 210 (2 10 210 to 10 )
29
Cu 2þ 4 10 29 (5 10 210 to 6 10 )
Co 2þ 2 10 211 (10 211 to 10 210 )
42 24 27 24
SiO 4 1 10 (10 to 1.8 10 )
28
Ni 2þ 8 10 29 (2 10 29 to 1.2 10 )