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Standard and testing sources: Sealed gamma-radiation standard source based on Plutonium-238 and Carbon-13 radionuclides / Pu-238 and C-13

238Pu + 13C
Half-life: 87.74 years


Application: Sealed gamma-radiation sources based on 238Pu / 13C are used as working standard of the first or second category for calibration of detectors in spectrometers of high-pure germanium.
Construction: The source is produced as mixture of powders of Plutonium-238 (Pu-238) dioxide and carbon enriched by isotope Carbon-13 (C-13), that is poured in stainless steel capsule that is placed in stainless steel case.
Datasheet in PDF (standard238Pu_13C_list1.pdf, 36.13 Kb)
right click the image and zoom in
CodeSource weight, gNominal activity *Overall geometric dimensions
DxH, mm		Active part
dxh, mm
mCiMBq
GPu8-C38.1≤ 500≤ 185009x205x14.7

* Tolerance: ±15%

Typical photon output per 4Π steradian (6.13 MeV): not less than 2000 ph./sec. (at nominal activity of 500 mCi).
Expanded uncertainty of photon output: 3% (k=2)

Neutron output per 4Π steradian (4 MeV): not less than 5х105 ph./sec.

Gamma-dose rate at 0.1 meter:
- ≤ 10 µSv/h (photon radiation);
- ≤30 µSv/h (neutron radiation).

ISO classification: C64444
Recommended working life: 10 years
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   News
08.23.2010
ISO 9001:2008 Qality Management System
ISO 9001:2008
RITVERC GmbH has succesfully passed recertification audit of ISO-9001 based Quality Management System

12.23.2008
Source strength class increased
GAm1.14, GBa3.14 and GCo7.14 sources are given a new strength class C66544 (in accordance with ISO classification).

11.10.2008
Package for Mössbauer sources improved
An insert is developed to fix Mössbauer sources in the container.

05.07.2008
Standard sources on Plutonium-238 and Carbon-13 radionuclides
These sources are used as working standard for calibration of detectors in spectrometers of high-pure germanium.

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