DOM composition
Element (ion) |
Average value (mg/l) |
Element (ion) |
Average value (mg/l) |
Cl⁻ (chloride) |
19 360 |
W (tungsten) |
0.000010 |
Na⁺ (sodium) |
10,780 |
He (helium) |
0.0000068 |
SO₄²⁻ (sulfate) |
2,710 |
Ti (titanium) |
0.0000062 |
Mg²⁺ (magnesium) |
1 280 |
La (lanthan) |
0.0000026 |
Ca²⁺ (calcium) |
417 |
Ge (germanium) |
0.0000051 |
K⁺ (potassium) |
399 |
No (nobelium) |
0.000005 |
Br⁻ (bromide) |
67 |
Nd (neodymium) |
0.0000036 |
CO₃²⁻ (carbonate) |
26 |
Hf (hafnium) |
0.0000034 |
N₂ (nitrogen) |
48.27 |
Ag (silver) |
0.0000032 |
Sr²⁺ (strontium) |
7.8 |
Pb (lead) |
0.0000025 |
BOH (borate) |
4.5 |
Ta (tantalum) |
0.0000025 |
SiO (silicon) |
15.1 |
Er (erbium) |
0.0000013 |
O (oxygen) |
2.8 |
Dy (dysprosium) |
0.0000013 |
F⁻ (fluoride) |
1.3 |
Gd (gadolinium) |
0.0000013 |
Ar (argon) |
0.48 |
Ce (cerium) |
0.0000013 |
Li⁺ (lithium) |
0.17 |
Yb (ytterbium) |
0.0000012 |
Rb⁺ (rubidium) |
0.12 |
Ga (gallium) |
0.0000010 |
HPO₄²⁻ (phosphate) |
0.182 |
Pr (praseodymium) |
0.0000008 |
I⁻ (iodide) |
0.058 |
Te (tellur) |
0.0000007 |
Ba²⁺ (barium) |
0.016 |
Sc (scandium) |
0.0000007 |
MoO₄²⁻ (molybdate) |
0.011 |
Sm (samarium) |
0.0000006 |
UO₂ (uranium) |
0.0032 |
Ho (holmium) |
0.0000006 |
HAsO₄²⁻ (arsenate) |
0.0017 |
Sn (tin) |
0.0000005 |
Ni²⁺ (nickel) |
0.00047 |
Hg (mercury) |
0.0000003 |
Zn²⁺ (zinc) |
0.00039 |
Lu (lutetium) |
0.00000024 |
Cs⁺ (cesium) |
0.00031 |
Tm (thulium) |
0.00000024 |
CrO₄²⁻ (chromate) |
0.00026 |
Tb (terbium) |
0.0000002 |
Sb (antimony) |
0.00024 |
Be (beryllium) |
0.0000002 |
Kr (krypton) |
0.00023 |
Eu (europium) |
0.00000018 |
SeO₄²⁻ (selenate) |
0.00016 |
Rh (rhodium) |
0.00000008 |
No (neon) |
0.00014 |
Pd (palladium) |
0.00000006 |
Cu (copper) |
0.00013 |
Th (thorium) |
0.00000005 |
Cd (cadmium) |
0.00007 |
Bi (bismuth) |
0.00000003 |
Xe (xenon) |
0.000066 |
Au (gold) |
0.00000002 |
FeOH (iron) |
0.000024 |
In (indium) |
0.00000002 |
AlOH (aluminum) |
0.000027 |
Ru (ruthenium) |
0.000000005 |
ReO₄⁻ (rhenium) |
0.000019 |
Osmium (osmium) |
0.000000025 |
ZrOH (zirconium) |
0.000018 |
Ir (iridium) |
0.000000013 |
Mn²⁺ (manganese) |
0.000016 |
Ra (radium) |
0.00000000013 |
YCO₃⁺ (yttrium) |
0.000013 |
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