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Mossbauer effect sources: Tin-119m / Sn-119m

^119mSn

Half-life: 293.1 days

Photon energy:

γ	23.87 keV (16.10%)
XK_α	25.27 keV (22.0%)
XK_β	28.57 keV (4.85%)

Tin-119m sources are prepared on the basis of standard or requested matrices (CaSnO₃ , BaSnO₃ and SnO₂) synthesized from ^119mSn radionuclide of high specific activity (> 300 mCi/g) and radioisotope purity better than 99.9%. Brazed beryllium window and laser welding of titanium alloy holder ensure environmental safety against radiation contamination.

Datasheet in PDF (messb119msn_list.pdf, 38.33 Kb)

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Code			Nominal activity *		Holder type	Overall geometric dimensions DxH, mm	Active part d, mm
Матрица из SnO₂	Матрица из CaSnO₃	Матрица из BaSnO₃	mCi	MBq	Holder type	Overall geometric dimensions DxH, mm	Active part d, mm
MSn9.111 MSn9.151 MSn9.161	MSn9.211 MSn9.251 MSn9.261	MSn9.311 MSn9.351 MSn9.361	2	74	1 5 6	14x14 11.2x13 6x13	10 10 5
MSn9.112 MSn9.152 MSn9.162	MSn9.212 MSn9.252 MSn9.262	MSn9.312 MSn9.352 MSn9.362	5	185	1 5 6	14x14 11.2x13 6x13	10 10 5
MSn9.113 MSn9.133 MSn9.153	MSn9.213 MSn9.233 MSn9.253	MSn9.333	10	370	1 3 5	14x14 18x14 11.2x13	10 15 10
MSn9.114 MSn9.134 MSn9.154	MSn9.234		15	555	1 3 5	14x14 18x14 11.2x13	10 15 10
MSn9.135	MSn9.235		20	740	3	18x14	15

* Tolerance: ±10%
ISO classification: C54243
Recommended working life: 5 years
FWHM measured with 0,09mg/cm² ^119mSn barium stannate absorber is below 0,80mm/s

Filter1: Mössbauer effect sources