This method is for the determination of trace metals from a wide variety of solid matrices including soil, organic, and industrial wastes using inductively coupled plasma atomic emission spectrometry (ICP). The sample must be solubilized or digested prior to analysis. Approved preparation methods are from SW-846 and include Method 3050B acid digestion, Method 3051A microwave assisted acid digestion, and Method 3031 acid digestion of oils.
NOTE: This method updates and replaces Methods 6010, 6010A, and 6010B.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | 6 months from sample collection to analysis for all elements except Hg which is 28 days from sample collection to analysis. |
| Preservatives: | None specified by the method. |
| Required Preps: | 4oz Glass, HDPE or PTFE bottle with Teflon-lined lid |
| Collection Method: | Grab sampling |
| Analytical Methodology: | ICP-AES |
| Documentation: | 
6010D
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Aluminum | Al |
7429-90-5 |
5 |
mg/kg |
| Iron | Fe |
7439-89-6 |
5 |
mg/kg |
| Lead | Pb |
7439-92-1 |
0.5 |
mg/kg |
| Lithium | Li |
7439-93-2 |
0.5 |
mg/kg |
| Magnesium | Mg |
7439-95-4 |
2 |
mg/kg |
| Manganese | Mn |
7439-96-5 |
1 |
mg/kg |
| Mercury | Hg |
7439-97-6 |
0.05 |
mg/kg |
| Molybdenum | Mo |
7439-98-7 |
1 |
mg/kg |
| Nickel | Ni |
7440-02-0 |
0.5 |
mg/kg |
| Potassium | K |
7440-09-7 |
10 |
mg/kg |
| Silver | Ag |
7440-22-4 |
0.5 |
mg/kg |
| Sodium | Na |
7440-23-5 |
10 |
mg/kg |
| Strontium | Sr |
7440-24-6 |
0.5 |
mg/kg |
| Thallium | Tl |
7440-28-0 |
1 |
mg/kg |
| Tin | Sn |
7440-31-5 |
1 |
mg/kg |
| Titanium | Ti |
7440-32-6 |
0.5 |
mg/kg |
| Antimony | Sb |
7440-36-0 |
1 |
mg/kg |
| Arsenic | As |
7440-38-2 |
0.5 |
mg/kg |
| Barium | Ba |
7440-39-3 |
0.5 |
mg/kg |
| Beryllium | Be |
7440-41-7 |
0.5 |
mg/kg |
| Boron | B |
7440-42-8 |
5 |
mg/kg |
| Cadmium | Cd |
7440-43-9 |
0.5 |
mg/kg |
| Chromium | Cr |
7440-47-3 |
0.5 |
mg/kg |
| Cobalt | Co |
7440-48-4 |
0.5 |
mg/kg |
| Copper | Cu |
7440-50-8 |
0.5 |
mg/kg |
| Vanadium | V |
7440-62-2 |
0.5 |
mg/kg |
| Zinc | Zn |
7440-66-6 |
0.5 |
mg/kg |
| Calcium | Ca |
7440-70-2 |
10 |
mg/kg |
| Silica (SiO2) | SiO2 |
7631-86-9 |
10 |
mg/kg |
| Phosphorus | P |
7723-14-0 |
5 |
mg/kg |
| Selenium | Se |
7782-49-2 |
0.5 |
mg/kg |
* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.