| Names | |
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| IUPAC name
dioxido(oxo)silane;gadolinium(3+);oxygen(2-) | |
Other names
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| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| Gd2O5Si | |
| Molar mass | 422.58 g·mol−1 |
| Density | 6.7 g/cm3 |
| Melting point | 1,900 °C (3,450 °F; 2,170 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Gadolinium oxyorthosilicate (known as GSO) is a type of scintillating inorganic crystal used for imaging in nuclear medicine and for calorimetryinparticle physics.[1]
The formula is Gd2SiO5. Its main properties are shown below:
| Density (g/cm3) | 6.7 |
| Melting Point (°C) | 1900 |
| Radiation Length (cm) | 1.38 |
| Decay Constant (ns) | 50-60 |
| Light Yield (relative BGO=100%) | 110 |
| Index of Refraction | 1.87 |
| Peak Excitation (nm) | 350 |
| Radiation Hardness (rad) | >106 |
| Hygroscopic | No |
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|---|---|---|---|
| Gadolinium(III) |
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