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EPA Standards | Method 200.7
All of the following standards are prepared from high-purity metals or salts in sub-boiling distilled acids and packaged in 100, 250, and 500ml volumes
- The accuracy of all standards is certified to ± 0.5% of the stated concentrations against NIST SRM spectrometric standard solutions.
- Each standard is accompanied by a Material Safety Data Sheet and Certificate of Analysis stating the NIST SRM used.
- All standards are certified accurate for a period of one year from the date of shipment.
EPA Standards | Method 200.7
| Element | Conc (µg/ml) | Element | Conc (µg/ml) | Element | Conc (µg/ml) | Matrix | Volume | Part Number |
|---|---|---|---|---|---|---|---|---|
| EPA Method 200.7 Standard #1 | ||||||||
| Al | 1000 | Mg | 1000 | Ag* | 500 | 2% HNO3 | 100ml | 200.7-1-100 |
| Ca | 1000 | Ni | 500 | Na | 1000 | - - - | 250ml | 200.7-1-250 |
| Cr | 500 | K | 1000 | Zn | 500 | * Solution B | 500ml | 200.7-1-500 |
| EPA Method 200.7 Standard #2 | ||||||||
| Ba | 100 | Cu | 100 | Sr | 1000 | 2% HNO3 | 100ml | 200.7-2-100 |
| Be | 100 | Fe | 1000 | V | 100 | - - - | 250ml | 200.7-2-250 |
| Co | 200 | Mn | 100 | - - - | - - - | - - - | 500ml | 200.7-2-500 |
| EPA Method 200.7 Standard #5 | ||||||||
| Al | 25 | Cu | 25 | Se | 25 | 2% HNO3 | 100ml | 200.7-5-100 |
| Sb | 25 | Fe | 25 | Si | 25 | + Tr HF | 250ml | 200.7-5-250 |
| As | 25 | Pb | 25 | Ag | 2.5 | - - - | 500ml | 200.7-5-500 |
| Ba | 25 | Li | 25 | Sr | 25 | - - - | - - - | - - - |
| Be | 5 | Mn | 25 | Tl | 25 | - - - | - - - | - - - |
| B | 25 | Hg | 5 | Sn | 10 | - - - | - - - | - - - |
| Cd | 10 | Mo | 10 | V | 10 | - - - | - - - | - - - |
| Cr | 25 | Ni | 25 | Zn | 25 | - - - | - - - | - - - |
| Co | 10 | P | 50 | - - - | - - - | - - - | - - - | - - - |
| EPA Method 200.7 Standard #6 | ||||||||
| Al | 20 | Cu | 20 | K | 100 | 2% HNO3 | 100ml | 200.7-6-100 |
| Sb | 20 | Fe | 20 | Se | 20 | + Tr HF | 250ml | 200.7-6-250 |
| As | 20 | Pb | 20 | Si | 100 | - - - | 500ml | 200.7-6-500 |
| Ba | 20 | Li | 20 | Ag | 5 | - - - | - - - | - - - |
| Be | 20 | Mg | 20 | Na | 200 | - - - | - - - | - - - |
| B | 20 | Mn | 20 | Sr | 20 | * Solution B | - - - | - - - |
| Cd | 20 | Hg | 20* | Tl | 20 | - - - | - - - | - - - |
| Ca | 20 | Mo | 20 | Sn | 20 | - - - | - - - | - - - |
| Cr | 20 | Ni | 20 | V | 20 | - - - | - - - | - - - |
| Co | 20 | P | 100 | Zn | 20 | - - - | - - - | - - - |
| EPA Method 200.7 Standard #8 | ||||||||
| Al | 200 | Co | 50 | Ni | 50 | 2% HNO3 | 100ml | 200.7-8-100 |
| Ba | 50 | Cr | 50 | Sn | 50 | + Tr HF | 250ml | 200.7-8-250 |
| Be | 50 | Cu | 50 | SiO2 | 50 | - - - | 500ml | 200.7-8-500 |
| Cd | 50 | Fe | 300 | Ti | 50 | - - - | - - - | - - - |
| Ca | 50 | Mn | 50 | Tl | 50 | - - - | - - - | - - - |
| Ce | 50 | Mo | 50 | V | 50 | - - - | - - - | - - - |
| EPA Method 200.7 Standard #10 | ||||||||
| Al | 200 | Co | 200 | P | 1,000 | 5% HNO3 | 100ml | 200.7-10-100 |
| As | 200 | Cu | 200 | K | 1,000 | - - - | 250ml | 200.7-10-250 |
| Ba | 200 | Fe | 200 | Se | 200 | - - - | 500ml | 200.7-10-500 |
| Be | 200 | Pb | 200 | Ag | 25 | - - - | - - - | - - - |
| B | 200 | Li | 200 | Tl | 200 | - - - | - - - | - - - |
| Cd | 200 | Mg | 200 | V | 200 | - - - | - - - | - - - |
| Ca | 200 | Mn | 200 | Zn | 200 | - - - | - - - | - - - |
| Ce | 200 | Hg | 200 | - - - | - - - | - - - | - - - | - - - |
| Cr | 200 | Ni | 200 | - - - | - - - | - - - | - - - | - - - |