-SEALED SOURCES

Ytterbium (Yb-169) – sealed source

pressed ytterbium oxide

SKU: YB1 Categories: ,

Description

Main application:

Gamma radiography

Half-life:

32 days

Recommended working life:

6 months

Radiation energies Eγ[MeV]:

0.063 (43.9%)

0.094 (2.6%)

0.110 (17.6%)

0.118 (1.9%)

0.131 (11.2%)

0.177 (21.5%)

0.198 (35.1%)

0.261 (1.7%)

0.308 (10.8%)

Radioactive decay:

Days from the date of measurement

0

2

4

6

8

0

1.000

0.958

0.917

0.878

0.841

10

0.805

0.771

0.739

0.707

0.677

20

0.649

0.621

0.595

0.570

0.546

30

0.522

0.500

0.479

0.459

0.439

40

0.421

0.403

0.385

0.370

0.354

50

0.339

0.325

0.311

0.298

0.285

60

0.273

0.261

0.250

0.240

0.230

70

0.220

0.211

0.202

0.193

0.185

80

0.177

0.170

0.162

0.156

0.149

90

0.143

0.137

0.131

0.125

0.120

100

0.115

0.110

0.105

0.101

0.097

Description:
Double titanium capsule argon arc welded, containing the isotope as pressed ytterbium oxide.

Capsules:

YAT

Identification:
by serial number

Code

Capsule type

Active part

Φ [mm] × h [mm]

Maximum activity

YB3YAT

YAT

1 × 1 (cylinder)

166.5 GBq

4.5 Ci

YB3YAT 

YAT

1.4 × 1.6 (cylinder)

444.0 GBq

12.0 Ci

YB4YAT 

YAT

0.8 (sphere)

259.0 GBq

7.0 Ci

YB4YAT

YAT

1 (sphere)

333.0 GBq

9.0 Ci

Other active sizes but below specified maximum – on request
Activity depends on enrichment of target material

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

YB3YAT

PL/0031/S-96 

YAT

5 × 8

titanium gr. 2

C 66545

YB4YAT

PL/0031/S-96

YAT

5 × 8

titanium gr. 2

C 66545