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Aluminium oxide for spectroscopy, 99.95%
| Impurities content (weight %) | |
|---|---|
| Losses during calcination | <0.5 |
| Iron (Fe2+) | <0.0006 |
| Indium (In3+) | <0.0001 |
| Cadmium (Cd2+) | <0,0005 |
| Calcium (Ca2+) | <0.0001 |
| Silicon dioxide (SiO2) | <0.0015 |
| Magnesium (Mg2+) | <0.0005 |
| Manganese (Mn2+) | <0.00005 |
| Copper (Cu2+) | <0.00005 |
| Sodium (Na+) | <0.001 |
| Tin (Sn4+) | <0.0005 |
| Silver (Ag+) | <0.0005 |
| Lead (Pb2+) | <0.0005 |
| Chromium (Cr3+) | <0.001 |
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