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Standard and testing sources: Beta standard sources / "ORIBI"-set

Application: Beta standard sources are intended for testing and calibration of radiometers and radiometric devices and also for testing of radiometer sensitivity dependence at energy of detected beta particles.
Construction: Radioactive material is deposited on one surface of the stainless steel backing. Sources are sealed in an electric conductive protective cover.
NuclideHalf-lifeBeta spectrum maximum energy
Е , keV		Beta spectrum average energy
Е , keV		Coating materialCover thickness,
µm
Carbon-145700 y156.549.44Tin0.2
Cobalt-605.271 y319.996.9Chromium2.0
Nickel-63100.1 y65.917.1Chromium0.5
Strontium-90 +
Yttrium-90		28.79 y 546.2
2281.5		196.3
928.0		Chromium2.0
Ruthenium-106 +
Rhodium-106		373.59 d319.996.9Chromium2.0
Cesium-13730.018 y1173.4179.0Chromium2.0
Promethium-1472.6234 y224.662.1Chromium2.0
Thallium-2043.76 y763.4238.3Zink + Nickel8.0

Datasheet in PDF (ORIBI_list.pdf, 97.68 Kb)
right click the image and zoom in
Backing type Overall geometric dimensions Active part,
d, mm		 Active area,
cm2
D, mm H, mm
backing a 35 1 11.5 1
22.5 4
backing b 25 1 16 2
3

External beta emission rate in 2Π steradian, sec-1: 1x102, 1x103, 1x104
Expanded uncertainty: 3% (k=2)
ISO classification: C23141
Other dimensions are available on request
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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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