Description
Main application:
Gamma radiography and process
Half-life:
5.27 years
Recommended working life:
10 years
Radiation energies Eγ[MeV]:
1.17 (100%) | 1.33 (100%) |
Radioactive decay:
Months from the date of measurement |
0 |
4 |
8 |
12 |
16 |
0 |
1.000 |
0.957 |
0.916 |
0.877 |
0.839 |
20 |
0.803 |
0.769 |
0.736 |
0.704 |
0.674 |
40 |
0.645 |
0.617 |
0.591 |
0.566 |
0.541 |
60 |
0.518 |
0.496 |
0.475 |
0.454 |
0.435 |
80 |
0.416 |
0.398 |
0.381 |
0.365 |
0.349 |
100 |
0.334 |
0.320 |
0.306 |
0.293 |
0.280 |
120 |
0.268 |
0.257 |
0.246 |
0.235 |
0.225 |
Description:
nickel plated disks of cobalt are sealed in stainless steel or titanium capsule(s), argon arc welded.
Single capsules:
HB, YAT
Double capsules:
HK(HB/HK)
Identification:
by serial number
Code |
Capsule typ |
Max active part Φ [mm] × h [mm] |
Maximum activity |
|
CO1HB |
HB |
3 × 3 |
37 GBq |
1 Ci |
CO1YAT |
YAT |
3 × 3 |
37 GBq |
1 Ci |
CO1HK |
HK |
3 × 3 |
370 GBq |
10 Ci |
Capsule dimensions special form certification and safety performance testing:
Code | Special form certificate No. | Capsule type | External dimensions Φ [mm] × h [mm] | Capsule material | ISO classification |
CO1HB | PL/0020/S-96 | HB | 4 × 6 | stainless steel* | C 64344 |
CO1YAT | PL/0032/S-96 | YAT | 5 × 8 | titanium gr. 2 | C 66445 |
CO1HK | PL/0023/S-96 | HK | 5 × 10 | stainless steel* | C 66545 |
* steel 1H18N9T (X6CrNiTi1810)