ASTM D6357

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Standard Test Methods for Determination of Trace Elements in Coal, Coke, and Combustion Residues from Coal Utilization Processes by Inductively Coupled Plasma Atomic Emission Spectrometry, Inductively Coupled Plasma Mass Spectrometry, and Graphite Furnace Atomic Absorption Spectrometry

This method allows for the determination of trace elements and rare earth elements.

Sample types

• Coal
• Coke
• Fly ash
• Bottom ash

Sample size

• Minimum, 2g
• Recommended, 10g

Applicable analytes

• Antimony (Sb)
• Arsenic (As)
• Beryllium (Be)
• Cadmium (Cd)
• Cerium (Ce)
• Chromium (Cr)
• Cobalt (Co)
• Copper (Cu)
• Dysprosium (Dy)
• Erbium (Er)
• Europium (Eu)
• Gadolinium (Gd)
• Holmium (Ho)
• Lanthanum (La)
• Lead (Pb)
• Lutetium (Lu)
• Manganese (Mn)
• Molybdenum (Mo)
• Neodymium (Nd)
• Nickel (Ni)
• Praseodymium (Pr)
• Samarium (Sm)
• Scandium (Sc)
• Terbium (Tb)
• Thulium (Tm) 
• Vanadium (V)
• Ytterbium (Yb)
• Yttrium (Y)
• Zinc (Zn)

Note: This method can be applied to other solid sample types.