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Mossbauer effect sources: Tellurium-125m / Te-125m

125mTe
Half-life: 57.4 days




Photon energy:

γ   35.492 (6.67%)
XKα27.4 keV (93%)
XKβ 31.1 keV (20.9%)

Tellurium-125m sources are prepared on the basis of Mg3TeO6 synthesized from 125mTe radionuclide of high specific activity (> 500 mCi/g). Brazed beryllium window and laser welding of titanium alloy holder ensure environmental safety against radiation contamination.
Datasheet in PDF (messb125mte_list7.pdf, 202.5 Kb)
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Code Nominal activity * Holder type Overall geometric dimensions
DxH, mm		 Active part
d, mm
mCi MBq
MTe5.11 10 ÷ 100 370 ÷3700 1 14x14 10
MTe5.13 3 18x14 15
MTe5.15 5 11.2x13 10
MTe5.16 6 6x13 5

* Tolerance: ±10%
ISO classification: C54243
Recommended working life: 5 years

1. Photon spectrum



2. Mössbauer spectrum



Filter1: Mössbauer effect sources
 

Main / Products / Mossbauer effect sources
   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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