Neutron Radiation Tests about FeCr Slag and Natural Zeolite Loaded Brick Samples

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="center" colspan="2">Physical half-life: 432.2 years</td><td align="center" colspan="2">Specific activity: 127 GBq/g</td></tr><tr class="thead"><td align="left">Principle Emissions</td><td align="center"><svg height="15.4" id="M12" style="vertical-align:-3.22282pt" version="1.1" viewbox="0 0 34.0625 15.4" width="34.0625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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t81.5 29.5q49 0 82 -27q45 -39 45 -123v-185q0 -60 35 -60q18 0 36 11zM275 84v156q-12 -6 -49 -23t-41 -19q-31 -14 -46 -31t-15 -43q0 -35 22.5 -55.5t48.5 -20.5q19 0 42 10.5t38 25.5z" id="x61"></path></g><g transform="matrix(.012,-0,0,-.012,25.769,15.187)"><path d="M474 0h-214v26q32 4 39 12t-5 28l-74 117q-39 -58 -64 -106q-16 -25 -10 -35t44 -16v-26h-186v26q46 6 64 17t48 49t85 120l-87 136q-23 36 -40 47t-58 16v26h199v-26q-31 -4 -36.5 -12.5t9.5 -29.5l59 -93q37 56 58 94q13 23 7 30t-40 11v26h183v-26q-47 -5 -65 -13.5
t-45 -39.5q-24 -29 -78 -110l97 -148q28 -43 46.5 -55.5t63.5 -18.5v-26z" id="x78"></path></g>
</svg> (keV)</td><td align="center"><svg height="15.4" id="M13" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 23.75 15.4" width="23.75" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> (keV)</td><td align="center">Dose rate<br/>(<svg height="12.175" id="M14" style="vertical-align:-2.29482pt" version="1.1" viewbox="0 0 9.5625 12.175" width="9.5625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.675)"><path d="M538 96q-38 -45 -84 -76.5t-71 -31.5q-44 0 -15 117q12 49 18 89h-2q-99 -128 -163 -178q-36 -28 -70 -28q-26 0 -44 38h-2q-16 -69 -16 -129q0 -43 11 -75.5t24 -42.5l1 -6q-7 -12 -24.5 -23t-37.5 -11q-40 0 -40 76q0 52 35 202l94 407l78 24l5 -5q-32 -122 -72 -310
q-7 -33 0 -55t25 -22q36 0 105.5 75t107.5 145l32 146l75 26h10q-50 -197 -78 -347q-7 -38 6 -38q7 0 31 17t47 39z" id="x1D707"></path></g>
</svg>Sv/h/GBq at 1 m)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left" rowspan="2">Gamma/X-rays</td><td align="center">13.9 (42.7%)</td><td align="center"> </td><td align="center"> </td></tr><tr><td align="center">59.5 (35.9%)</td><td align="center">—</td><td align="center">—</td></tr><tr><td align="left" rowspan="2">Alpha</td><td align="center">5.443 (12.8%)</td><td align="center"> </td><td align="center">85</td></tr><tr><td align="center">5.486 (85.2%)</td><td align="center">—</td><td align="center"> </td></tr><tr><td align="left">Neutron</td><td align="center">—</td><td align="center">4.5 MeV</td><td align="center">2</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><svg height="15.8375" id="M15" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 6.4625001 15.8375" width="6.4625001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.012,-0,0,-.012,.062,7.613)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g>
</svg><a href="http://stuarthunt.com/pdfs/Americium_241Beryllium.pdf" target="_blank">http://stuarthunt.com/pdfs/Americium_241Beryllium.pdf</a>.<br/></td></tr></table>

Radiation characteristics of  <sup>241</sup>Am-Be neutron source<sup>1</sup>.

Science and Technology of Nuclear Installations

tab4

Table 4

Table 4: Neutron Radiation Tests about FeCr Slag and Natural Zeolite Loaded Brick Samples 