Eu2O3 Powder, ≥99.995%, ＜100nm
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Oxide europium is mostly used in the fluorescence powder. Eu3 + is used in the activator of the red fluorescence powder, Eu2 + is used in the blue fluorescence powder. Now Y2O2S: Eu3 is the best fluorescence powder becaust of its efficiency of giving out light , stability of the inunction, retrieving the cost,etc.. In addition,with technology improving of giving out light efficiency and contrast ratio improvement, so it is applying widely. In recent years,oxide europium used in new-type X ray medical diagnose system .It is use as fluorescence powder of special use. Oxide europium can use for making coloured eyeglass and optics filter slide , used in magnetism steeped and stores the device also. It is important to show on the control material of the atomic reactor, shield material and structural material.
| physical properties | |||
|
Morphology |
Pink powder, insoluble in water, soluble in acid. | remark | |
| APS（nm） | ＜100 | Design for requirement | |
| chemical component | |||
| TREO% | ≥98 | ||
| Eu2O3/REO% | ≥99.995 | ||
|
Rare earth impurity content REO% |
CeO2 | ≤0.0002 | |
| Pr6O11 | ≤0.0001 | ||
| Nd2O3 | ≤0.0001 | ||
| Sm2O3 | ≤0.0002 | ||
| Gd2O3 | ≤0.0002 | ||
| Tb4O7 | ≤0.0001 | ||
| Dy2O3 | ≤0.0001 | ||
| Ho2O3 | ≤0.0001 | ||
| Er2O3 | ≤0.0001 | ||
| Tm2O3 | ≤0.0001 | ||
| Yb2O3 | ≤0.0001 | ||
| Lu2O3 | ≤0.0001 | ||
| Y2O3 | ≤0.0001 | ||