Novel solidified dielectric material suitable for simultaneously lattice solidifying actinium nuclide and fission product 90Sr as well as preparation method thereof
A technology of dielectric materials and fission products, which is applied in the field of new solidified dielectric materials and its preparation, can solve the problems of restricting the popularization and application of nuclear waste treatment, the difficulty and complexity of the treatment process, and the difficulty of obtaining pure phase materials, so as to avoid multiple separations/ The effect of sorting solidification, simple treatment process, and minimization of waste volume
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[0048] Example 1 :System 0.5(1-x)La 2 Zr 2 O 7 -xSrZrO 3 (0.2≤x≤0.8) Multiphase curing medium material
[0049] La(NO) with a purity of 99.99% 3 ) 3 ·6H 2 O, Zr(NO 3 ) 4 ·3H 2 O and Sr(NO 3 ) 2 As a raw material, prepare a standard aqueous solution with a concentration of 0.1 mol / L. The accuracy is 10 -4 The g electronic balance accurately weighs the required raw materials, puts them into a 1L glass beaker containing 500ml ultrapure water and magnetically stirs them. After completely dissolved, pour them into a 1L standard volumetric flask, and then rinse the beaker with 100ml ultrapure water Then pour it into a standard volumetric flask, repeat this 4 times, and finally use a 0.1ml burette to drip ultrapure water until the standard volumetric flask is marked for use.
[0050] Using a burette with a capacity of 25ml and an accuracy of 0.1ml, massage the Erbi LaO 1.5 :SrO:ZrO 2 =(1-x):x:1 (x=0.2, 0.4, 0.5, 0.6, 0.8) for accurate weighing, after stirring with a magnetic stirrer for ...
Example Embodiment
[0054] Example 2 :System 0.5(1-x)Nd 2 Zr 2 O 7 -xSrZrO 3 (0.2≤x≤0.8) Multiphase curing medium material
[0055] With 99.99% purity of Nd(NO 3 ) 3 ·6H 2 O, Zr(NO 3 ) 4 ·3H 2 O and Sr(NO 3 ) 2 As a raw material, prepare a standard aqueous solution with a concentration of 0.1 mol / L. The accuracy is 10 -4 The g electronic balance accurately weighs the required raw materials, puts them into a 1L glass beaker containing 500ml ultrapure water and magnetically stirs them. After completely dissolved, pour them into a 1L standard volumetric flask, and then rinse the beaker with 100ml ultrapure water Then pour it into a standard volumetric flask, repeat this 4 times, and finally use a 0.1ml burette to drip ultrapure water until the standard volumetric flask is marked for use.
[0056] Use a burette with a capacity of 25ml and an accuracy of 0.1ml to massage the NdO 1.5 :SrO:ZrO 2 =(1-x):x:1 (x=0.2, 0.4, 0.5, 0.6, 0.8) for accurate weighing, after stirring with a magnetic stirrer for 0.5 hour...
Example Embodiment
[0062] Example 3 :System 0.5(1-x)Eu 2 Zr 2 O 7 -xSrZrO 3 (0.2≤x≤0.8) Multiphase curing medium material
[0063] Eu(NO) with a purity of 99.99% 3 ) 3 ·6H 2 O, Zr(NO 3 ) 4 ·3H 2 O and Sr(NO 3 ) 2 As a raw material, prepare a standard aqueous solution with a concentration of 0.1mol / L. The accuracy is 10 -4 g electronic balance accurately weighs all the required raw materials, puts them into a 1L glass beaker containing 500ml ultrapure water and magnetically stirs them. After completely dissolved, pour them into a 1L standard volumetric flask, and then rinse the beaker with 100ml ultrapure water Then pour it into a standard volumetric flask and repeat the procedure 4 times. Finally, use a 0.1ml burette to drip ultrapure water until the standard volumetric flask is marked for use.
[0064] Using a burette with a capacity of 25ml and an accuracy of 0.1ml, massage Erbi EuO 1.5 :SrO:ZrO 2 =(1-x):x:1 (x=0.2, 0.4, 0.5, 0.6, 0.8) for accurate weighing, after stirring with a magnetic stirrer ...
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