Preparation method of adsorbability porous aluminum sheet, preparation method of photon source and photon source
A porous aluminum and adsorption technology, applied in the field of photon source preparation, can solve the problem of uneven dispersion of photon source radioactivity, and achieve the effects of uniform dispersion of radioactivity in the source core, reducing manufacturing cost and reducing production pollution.
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Embodiment 1
[0031] Embodiment 1: To prepare a photon source of 5 mCi, perform the following processes in sequence:
[0032] 1. Prepare aluminum powder and polyvinyl alcohol with a particle size of 50 μm;
[0033] 2. The aluminum powder and the polyvinyl alcohol are mixed evenly in a ratio of 100:5;
[0034] 3. Fill in the steel mold and press it into an aluminum sheet of 7×8×1mm with a hydraulic press;
[0035] 4. Put the aluminum sheet in a horse boiling furnace, bake at a constant temperature of 400°C for 3 hours, remove the adhesive in the aluminum sheet - polyvinyl alcohol, and make a porous aluminum sheet;
[0036] 5. Soak the porous aluminum sheet in 3N H at 80°C 3 PO 4 10 hours in liquid;
[0037] 6. Take out the porous aluminum sheet and wash it in an ultrasonic tank with distilled water for 4 hours, take it out, and drain the water;
[0038] 7. Put the porous aluminum sheet into a 400°C horse-boiling furnace and burn for 1 hour to make an absorbent porous aluminum sheet;
...
Embodiment 2
[0044] Embodiment 2: prepare 10 mCi 241 Am photon source, perform the following processes in sequence:
[0045] 1. Prepare aluminum powder and polyvinyl alcohol with a particle size of 50 μm;
[0046] 2. Mix aluminum powder and polyvinyl alcohol evenly in a ratio of 100:5;
[0047] 3. Fill in the steel mold and press it into an aluminum sheet of 7×8×1mm with a hydraulic press;
[0048] 4. Put the aluminum sheet in a horse boiling furnace, bake at a constant temperature of 400°C for 3 hours, remove the adhesive in the aluminum sheet - polyvinyl alcohol, and make a porous aluminum sheet;
[0049] 5. Soak the porous aluminum sheet in 3N H at 80°C 3 PO 4 10 hours in liquid;
[0050] 6. Take out the porous aluminum sheet and wash it in an ultrasonic tank with distilled water for 4 hours, take it out, and drain the water;
[0051] 7. Put the porous aluminum sheet into a 400°C horse-boiling furnace and burn for 1 hour to make an absorbent porous aluminum sheet;
[0052] 8. Wei...
Embodiment 3
[0057] Embodiment 3: prepare 5 mCi 238 Pu photon source, perform the following processes in turn:
[0058] 1. Prepare aluminum powder and polyvinyl alcohol with a particle size of 50 μm;
[0059] 2. Mix aluminum powder and polyvinyl alcohol evenly in a ratio of 100:5;
[0060] 3. Fill in the steel mold and press it into an aluminum sheet of 7×8×1mm with a hydraulic press;
[0061] 4. Put the aluminum sheet in a horse boiling furnace, bake at a constant temperature of 400°C for 3 hours, remove the adhesive in the aluminum sheet - polyvinyl alcohol, and make a porous aluminum sheet;
[0062] 5. Soak the porous aluminum sheet in 3N H at 80°C 3 PO 4 10 hours in liquid;
[0063] 6. Take out the porous aluminum sheet and wash it in an ultrasonic tank with distilled water for 4 hours, take it out, and drain the water;
[0064] 7. Put the porous aluminum sheet into a 400°C horse-boiling furnace and burn for 1 hour to make an absorbent porous aluminum sheet;
[0065] 8. Weigh 0.24...
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