β→α transition (tin pest) could completely disintegrate Sn-rich material.
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Early stage detection of β→α transition still exhibits substantial difficulties.
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Mössbauer spectroscopy is very sensitive method in detection of β→α transition in Sn matrix.
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Different values of Mössbauer-Lamb factors for β and α-Sn allow to detect tin pest at the level of 1.8%.
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