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Beta radiation sources: Nickel-63 / Ni-63 with corrosion-resistant coating

63Ni
Radionuclide characteristics
Half-life, days: 36962.51 ± 54.79
Beta particle energy:

βmax 66.945±0.005 keV (100%)
β 17.425±0.006 keV

Reference data:
Nuclear Data Sheets 92, 147 (2001)
63Ni is electrically deposited on a rectangular or round non-radioactive nickel backing 0.1 mm thick and covered with a corrosion-resistant layer. Sources are characterized by ionization current measured in a flat free-air ionization chamber.
Radius of a cylindrical source couldn’t be lower than L/2π, L – source length. Ionization current for cylindrical sources is measured before rolling.

Planar (surface) sourcesylindrical sourcesDisk sources


Code Nominal
activity *
Typical ionization
current *, nA
LxW, mm
mCi MBq
BNi3.K.S1 8 296 3 15x10
10 370 4
BNi3.K.S3 2.7100 2 30x10
16 600 6
20740 9
27 999 12
BNi3.K.S42,7100 2 48x3
10370 5
BNi3.K.S7 0.89 33 0.5 15x3

* Tolerance: ±15%

Maximum practical surface activity load is ~ 9mCi/cm2

ISO classification: 43221

Corrosion-resistant Beta radiation sources are suitable for applications with temperatures up to +250° in aerial environment and under long-term exposure to moisture.

Recommended working life: 5 years in air atmosphere, 10 years in inert gas atmosphere. Storage in inert gas atmosphere is suggested when not in use.

 

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