EPA Method 200.7
Determination of Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry
This method allows for the determination of metals and some nonmetals in solution.
Sample types
- Solids
- Soils
- Sludges
- Sediments
- Aqueous solutions
- Aqueous solutions containing particulate and suspended solids
Sample size
Dependent on the sample type and analysis required, but the recommended sample size
is 250 mL.
Analysis types
- Total recoverable
- Dissolved analytes
- Direct analysis
Applicable analytes
- Aluminum (Al)
- Antimony (Sb)
- Arsenic (As)
- Barium (Ba)
- Beryllium (Be)
- Boron (B)
- Cadmium (Cd)
- Calcium (Ca)
- Chromium (Cr)
- Cobalt (Co)
- Copper (Cu)
- Iron (Fe)
- Lead (Pb)
- Lithium (Li)
- Magnesium (Mg)
- Manganese (Mn)
- Mercury (Hg)
- Molybdenum (Mo)
- Nickel (Ni)
- Phosphorus (P)
- Potassium (K)
- Selenium (Se)
- Silica* (SiO2)
- Silver (Ag)
- Sodium (Na)
- Strontium (Sr)
- Thallium (Tl)
- Tin (Sn)
- Titanium (Ti)
- Vanadium (V)
- Zinc (Zn)
*This method is not suitable for the determination of silica in solids. Refer to ASTM Method D3682.