Description
Main application: Gamma radiography
Half-life: 120 days
Recommended working life: 2 years
Radiation energies Eγ [MeV]:
0.066 (1.1%) 0.097 (3.5%) | 0.121 (17.3%) 0.136 (59.0%) | 0.199 (1.5%) 0.265 (59.1%) | 0.280 (25.2%) 0.305 (1.4%) | 0.401 (11.6%) and others |
Radioactive decay:
Days from the date of measurement | 0 | 10 | 20 | 30 | 40 |
0 50 100 150 200 250 300 350 | 1.000 0.749 0.561 0.420 0.314 0.235 0.176 0.132 | 0.944 0.707 0.529 0.396 0.297 0.222 0.166 0.125 | 0.891 0.667 0.499 0.374 0.280 0.210 0.157 0.118 | 0.841 0.629 0.471 0.353 0.264 0.198 0.148 0.111 | 0.793 0.594 0.445 0.333 0.249 0.187 0.140 0.105 |
Description: double encapsulation containing the isotope as compressed metal powder of selenium or VSe compound. Inner capsule made of titanium or vanadium alloy sealed by laser welding. Outer capsule made of corrosion resistant steel sealed by argon arc welding.
Capsules: GS75M11, GS75M12, SR17, SR18
Identification: by serial number
Special form radioactive material certificate No: RUS/6223/S-96
Code | Active part d [mm] x l [mm] | Max activity | |
[GBq] | [Ci] | ||
GS75M11, GS75M12, SR17, SR18 | 3 × 3 (2.5 × 2.5) | 3700 | 100 |
Capsule dimensions and safety performance testing
Code | Capsule type | External dimensions Φ [mm] x h [mm] | Capsule material | ISO classification |
GS75M11 GS75M12 SR17 SR18 | M11 M12 SR17 SR18 | 6 × 12 6 × 20 6.7 × 27 7.15 × 23.5 | inner: titanium or vanadium outer: corrosion resistant steel | C 63545 C 63545 C 63545 C 63545 |
