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Multi-Element Standards | Quality Control
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.
Quality Control Standards
| Element | Conc (µg/ml) | Element | Conc (µg/ml) | Element | Conc (µg/ml) | Matrix | Volume | Part Number |
|---|---|---|---|---|---|---|---|---|
| 7-Element QC Standard | ||||||||
| Al | 100 | K | 1000 | Na | 100 | 2% HNO3 | 100ml | QCS-7-100 |
| Ba | 100 | Si | 50 | - - - | - - - | - - - | 250ml | QCS-7-250 |
| B | 100 | Ag | 100 | - - - | - - - | - - - | 500ml | QCS-7-500 |
| 7-Element QC Standard (Modified) | ||||||||
| Al | 100 | K | 1000 | Na | 100 | 2% HNO3 | 100ml | QCS-7M-100 |
| Ba | 100 | Si | 100 | - - - | - - - | - - - | 250ml | QCS-7M-250 |
| B | 100 | Ag | 50 | - - - | - - - | - - - | 500ml | QCS-7M-500 |
| 19-Element QC Standard | ||||||||
| Sb | 100 | Cu | 100 | Ni | 100 | 4% HNO3 | 100ml | QCS-19-100 |
| As | 100 | Fe | 100 | Se | 100 | + Tr HF | 250ml | QCS-19-250 |
| Be | 100 | Pb | 100 | Tl | 100 | - - - | 500ml | QCS-19-500 |
| Cd | 100 | Mg | 100 | Ti | 100 | - - - | - - - | - - - |
| Ca | 100 | Mn | 100 | V | 100 | - - - | - - - | - - - |
| Cr | 100 | Mo | 100 | Zn | 100 | - - - | - - - | - - - |
| Co | 100 | - - - | - - - | - - - | - - - | - - - | - - - | - - - |
| 21-Element QC Standard | ||||||||
| Sb | 100 | Cu | 100 | Ni | 100 | 4% HNO3 | 100ml | QCS-21-100 |
| As | 100 | Fe | 100 | Se | 100 | + Tr HF | 250ml | QCS-21-250 |
| Be | 100 | Pb | 100 | Sr | 100 | - - - | 500ml | QCS-21-500 |
| Cd | 100 | Li | 100 | Tl | 100 | - - - | - - - | - - - |
| Ca | 100 | Mg | 100 | Ti | 100 | - - - | - - - | - - - |
| Cr | 100 | Mn | 100 | V | 100 | - - - | - - - | - - - |
| Co | 100 | Mo | 100 | Zn | 100 | - - - | - - - | - - - |
| 26-Element QC Standard | ||||||||
| Al | 100 | Cr | 100 | Pb | 100 | 4% HNO3 | 100ml | QCS-26-100 |
| Sb | 100 | Cu | 100 | Ag | 100 | + Tr HF | 250ml | QCS-26-250 |
| As | 100 | Fe | 100 | Se | 100 | - - - | 500ml | QCS-26-500 |
| B | 100 | K | 1000 | Si | 50 | - - - | - - - | - - - |
| Ba | 100 | Mg | 100 | Ti | 100 | - - - | - - - | - - - |
| Be | 100 | Mn | 100 | Tl | 100 | - - - | - - - | - - - |
| Ca | 100 | Mo | 100 | V | 100 | - - - | - - - | - - - |
| Cd | 100 | Na | 100 | Zn | 100 | - - - | - - - | - - - |
| Co | 100 | Ni | 100 | - - - | - - - | - - - | - - - | - - - |