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Single-Element Standards | Speciation Standards
Speciation Standards are all verified by ICP for total element concentration against NIST SRM
- Arsenic, Chromium, Iron, and Selenium are additionally tested by IC against a second source standard for the specific species.
- Certificate of Analysis includes a chromatogram for solutions tested by IC.
- Products included in our ISO 9001:2015, ISO/IEC 17025:2005 and ISO 17034:2016 scope of accreditation.
1,000µg/ml Single-Element Speciation Standards Ordering Information
| Element | Source | Purity | Matrix | 100ml | 250ml | 500ml |
|---|---|---|---|---|---|---|
| Antimony (Sb 3+) | Sb metal | 0.99999 | 20% HCl | 10002-6-100 | 10002-6-250 | 10002-6-500 |
| Arsenic (As 3+) | As2O3 | 99.99% | 2% HCl | 10003-6-100 | 10003-6-250 | 10003-6-500 |
| Arsenic (As 5+) | Na2HAsO4 | ACS Grade | H2O | 10003-7-100 | 10003-7-250 | 10003-7-500 |
| Chromium (Cr 3+) | Cr metal | 99.998% | 2% HCl | 100012-6-100 | - - - | - - - |
| Chromium (Cr 6+) | K2Cr2O7 | 99.998% | H2O | 100012-7-100 | 100012-7-250 | 100012-7-500 |
| Iron (Fe 2+) | Fe metal | 0.99999 | 2% HCl + 1% NH2OH HCl | 100026-6-100 | 100026-6-250 | 100026-6-500 |
| Iron (Fe 3+) | Fe metal | 0.99999 | 2% HNO3 | 100026-7-100 | 100026-7-250 | 100026-7-500 |
| Selenium (Se 4+) | Se metal | 0.99999 | H2O | 100049-6-100 | 100049-6-250 | 100049-6-500 |
| Selenium (Se 6+) | Se metal | 0.99999 | H2O | 100049-7-100 | 100049-7-250 | 100049-7-500 |