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Gamma radiation sources: Cobalt-60 / Co-60

⁶⁰Co

Half-life: 5.271 years

Photon energy:

γ₁	1173.2 keV (99.85%)
γ₂	1332.5 keV (99.98%)

Cobalt-60 (⁶⁰Co) is incorporated in ceramic matrix and sealed in a welded stainless steel capsule.

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Code	Nominal activity *		Gamma-dose rate at 1 meter		Overall geometric dimensions, DxH, mm	Active part, d, mm
Code	µCi	кBq	nSv/h	fA/kg	Overall geometric dimensions, DxH, mm	Active part, d, mm
GCo0.311	1	37	10.5 ± 4.34	75.0 ± 31.0	30x4,5	9
GCo0.312	0.5	18.5	5.18 ± 2.24	37.0 ± 16.0	30x4,5	9

* Tolerance: ±10%
ISO classification: C64444
Recommended working life: 10 years

Filter1: Gamma radiation sources

News

08.23.2010

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

These sources are used as working standard for calibration of detectors in spectrometers of high-pure germanium.

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