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Element

Element Abundances in U.S. Coal

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Carbon

 63%       

Oxygen

 16%       

Hydrogen

  5.2%     

Silicon

  2.7%     

Sulfur

  1.8%     

Aluminum

  1.5%     

Nitrogen

  1.3%     

Calcium

  0.46%    

Potassium

  0.18%    

Magnesium

  0.11%    

Sodium

  0.08%    

Titanium

  0.08%    

Chlorine

614 ppm    

Phosphorus

430 ppm    

Barium

170 ppm    

Strontium

130 ppm    

Fluorine

 98 ppm    

Zinc

 53 ppm    

Boron

 49 ppm    

Manganese

 43 ppm    

Zirconium

 27 ppm    

Arsenic

 24 ppm    

Vanadium

 22 ppm    

Rubidium

 21 ppm    

Cerium

 21 ppm    

Bromine

 17 ppm    

Lithium

 16 ppm    

Copper

 16 ppm    

Chromium

 15 ppm    

Nickel

 14 ppm    

Lanthanum

 12 ppm    

Lead

 11 ppm    

Neodymium

  9.5 ppm  

Yttrium

  8.5 ppm  

Cobalt

  6.1 ppm  

Gallium

  5.7 ppm  

Germanium

  5.7 ppm  

Scandium

  4.2 ppm  

Molybdenum

  3.3 ppm  

Thorium

  3.2 ppm  

Niobium

  2.9 ppm  

Selenium

  2.8 ppm  

Praseodymium

  2.4 ppm  

Beryllium

  2.2 ppm  

Uranium

  2.1 ppm  

Dysprosium

  1.9 ppm  

Gadolinium

  1.8 ppm  

Samarium

  1.7 ppm  

Iron

  1.3 ppm  

Tin

  1.3 ppm  

Antimony

  1.2 ppm  

Thallium

  1.2 ppm  

Cesium

  1.1 ppm  

Iodine

 <1.0 ppm  

Erbium

  1.0 ppm  

Tungsten

  1.0 ppm  

Bismuth

 <1.0 ppm  

Ytterbium

  0.95 ppm 

Hafnium

  0.73 ppm 

Cadmium

  0.47 ppm 

Europium

  0.40 ppm 

Holmium

  0.35 ppm 

Indium

 <0.3 ppm  

Terbium

  0.30 ppm 

Tantalum

  0.22 ppm 

Mercury

  0.17 ppm 

Thulium

  0.15 ppm 

Lutetium

  0.14 ppm 

Silver

 <0.1 ppm  

Tellurium

 <0.1 ppm  

Gold

 <0.05 ppm 

Ruthenium

 <0.001 ppm

Rhodium

 <0.001 ppm

Palladium

 <0.001 ppm

Rhenium

 <0.001 ppm

Osmium

 <0.001 ppm

Iridium

 <0.001 ppm

Platinum

 <0.001 ppm

Element

Abundances by Element Name in U.S. Coal

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Aluminum

  1.5%     

Antimony

  1.2 ppm  

Arsenic

 24 ppm    

Barium

170 ppm    

Beryllium

  2.2 ppm  

Bismuth

 <1.0 ppm  

Boron

 49 ppm    

Bromine

 17 ppm    

Cadmium

  0.47 ppm 

Calcium

  0.46%    

Carbon

 63%       

Cerium

 21 ppm    

Cesium

  1.1 ppm  

Chlorine

614 ppm    

Chromium

 15 ppm    

Cobalt

  6.1 ppm  

Copper

 16 ppm    

Dysprosium

  1.9 ppm  

Erbium

  1.0 ppm  

Europium

  0.40 ppm 

Fluorine

 98 ppm    

Gadolinium

  1.8 ppm  

Gallium

  5.7 ppm  

Germanium

  5.7 ppm  

Gold

 <0.05 ppm 

Hafnium

  0.73 ppm 

Holmium

  0.35 ppm 

Hydrogen

  5.2%     

Indium

 <0.3 ppm  

Iodine

 <1.0 ppm  

Iridium

 <0.001 ppm

Iron

  1.3 ppm  

Lanthanum

 12 ppm    

Lead

 11 ppm    

Lithium

 16 ppm    

Lutetium

  0.14 ppm 

Magnesium

  0.11%    

Manganese

 43 ppm    

Mercury

  0.17 ppm 

Molybdenum

  3.3 ppm  

Neodymium

  9.5 ppm  

Nickel

 14 ppm    

Niobium

  2.9 ppm  

Nitrogen

  1.3%     

Osmium

 <0.001 ppm

Oxygen

 16%       

Palladium

 <0.001 ppm

Phosphorus

430 ppm    

Platinum

 <0.001 ppm

Potassium

  0.18%    

Praseodymium

  2.4 ppm  

Rhenium

 <0.001 ppm

Rhodium

 <0.001 ppm

Rubidium

 21 ppm    

Ruthenium

 <0.001 ppm

Samarium

  1.7 ppm  

Scandium

  4.2 ppm  

Selenium

  2.8 ppm  

Silicon

  2.7%     

Silver

 <0.1 ppm  

Sodium

  0.08%    

Strontium

130 ppm    

Sulfur

  1.8%     

Tantalum

  0.22 ppm 

Tellurium

 <0.1 ppm  

Terbium

  0.30 ppm 

Thallium

  1.2 ppm  

Thorium

  3.2 ppm  

Thulium

  0.15 ppm 

Tin

  1.3 ppm  

Titanium

  0.08%    

Tungsten

  1.0 ppm  

Uranium

  2.1 ppm  

Vanadium

 22 ppm    

Ytterbium

  0.95 ppm 

Yttrium

  8.5 ppm  

Zinc

 53 ppm    

Zirconium

 27 ppm    

Reference    (Click the button next to a value above to see complete citation information for that entry)

Orem, W. H., and R. B. Finkelman. "Coal Formation and Geochemistry." pp. 191–222 in Sediments, Diagenesis, and Sedimentary Rocks. Edited by Fred T. Mackenzie. Oxford: Elsevier Ltd., 2005.